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Finding the Fourth Proportional to 16,903.65, 23,326.92 and 9,451.65

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Solution

The fourth proportional to 16,903.65, 23,326.92 and 9,451.65 is: 13,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,903.65 : 23,326.92 = 9,451.65 : x
  2. Step 2: Convert to fraction form
    16,903.65/23,326.92 = 9,451.65/x
  3. Step 3: Cross multiply
    16,903.65x = 23,326.92 × 9,451.65
  4. Step 4: Simplify right side
    16,903.65x = 220,477,883.42
  5. Step 5: Solve for x
    x = 220,477,883.42/16,903.65
  6. Step 6: Final answer
    x = 13,043.21

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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.