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Finding the Fourth Proportional to 29,294.62, 40,429.48 and 16,721.26

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Solution

The fourth proportional to 29,294.62, 40,429.48 and 16,721.26 is: 23,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,294.62 : 40,429.48 = 16,721.26 : x
  2. Step 2: Convert to fraction form
    29,294.62/40,429.48 = 16,721.26/x
  3. Step 3: Cross multiply
    29,294.62x = 40,429.48 × 16,721.26
  4. Step 4: Simplify right side
    29,294.62x = 676,031,846.74
  5. Step 5: Solve for x
    x = 676,031,846.74/29,294.62
  6. Step 6: Final answer
    x = 23,077.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.