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Finding the Fourth Proportional to 16,164.68, 22,309.02 and 9,090.92

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Solution

The fourth proportional to 16,164.68, 22,309.02 and 9,090.92 is: 12,546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,164.68 : 22,309.02 = 9,090.92 : x
  2. Step 2: Convert to fraction form
    16,164.68/22,309.02 = 9,090.92/x
  3. Step 3: Cross multiply
    16,164.68x = 22,309.02 × 9,090.92
  4. Step 4: Simplify right side
    16,164.68x = 202,809,516.10
  5. Step 5: Solve for x
    x = 202,809,516.10/16,164.68
  6. Step 6: Final answer
    x = 12,546.46

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.