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Finding the Fourth Proportional to 29,451.99, 40,640.70 and 17,513.02

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Solution

The fourth proportional to 29,451.99, 40,640.70 and 17,513.02 is: 24,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,451.99 : 40,640.70 = 17,513.02 : x
  2. Step 2: Convert to fraction form
    29,451.99/40,640.70 = 17,513.02/x
  3. Step 3: Cross multiply
    29,451.99x = 40,640.70 × 17,513.02
  4. Step 4: Simplify right side
    29,451.99x = 711,741,391.91
  5. Step 5: Solve for x
    x = 711,741,391.91/29,451.99
  6. Step 6: Final answer
    x = 24,166.16

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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.