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Finding the Fourth Proportional to 19,502.70, 29,205.45 and 15,614.70

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Solution

The fourth proportional to 19,502.70, 29,205.45 and 15,614.70 is: 23,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.70 : 29,205.45 = 15,614.70 : x
  2. Step 2: Convert to fraction form
    19,502.70/29,205.45 = 15,614.70/x
  3. Step 3: Cross multiply
    19,502.70x = 29,205.45 × 15,614.70
  4. Step 4: Simplify right side
    19,502.70x = 456,034,340.12
  5. Step 5: Solve for x
    x = 456,034,340.12/19,502.70
  6. Step 6: Final answer
    x = 23,383.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.