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Finding the Fourth Proportional to 29,642.73, 40,906.91 and 17,713.05

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Solution

The fourth proportional to 29,642.73, 40,906.91 and 17,713.05 is: 24,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.73 : 40,906.91 = 17,713.05 : x
  2. Step 2: Convert to fraction form
    29,642.73/40,906.91 = 17,713.05/x
  3. Step 3: Cross multiply
    29,642.73x = 40,906.91 × 17,713.05
  4. Step 4: Simplify right side
    29,642.73x = 724,586,053.61
  5. Step 5: Solve for x
    x = 724,586,053.61/29,642.73
  6. Step 6: Final answer
    x = 24,443.97

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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.