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Finding the Fourth Proportional to 16,663.68, 22,995.92 and 9,110.10

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Solution

The fourth proportional to 16,663.68, 22,995.92 and 9,110.10 is: 12,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.68 : 22,995.92 = 9,110.10 : x
  2. Step 2: Convert to fraction form
    16,663.68/22,995.92 = 9,110.10/x
  3. Step 3: Cross multiply
    16,663.68x = 22,995.92 × 9,110.10
  4. Step 4: Simplify right side
    16,663.68x = 209,495,015.81
  5. Step 5: Solve for x
    x = 209,495,015.81/16,663.68
  6. Step 6: Final answer
    x = 12,571.96

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Double scale
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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.