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Finding the Fourth Proportional to 29,255.31, 40,355.01 and 17,929.89

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Solution

The fourth proportional to 29,255.31, 40,355.01 and 17,929.89 is: 24,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.31 : 40,355.01 = 17,929.89 : x
  2. Step 2: Convert to fraction form
    29,255.31/40,355.01 = 17,929.89/x
  3. Step 3: Cross multiply
    29,255.31x = 40,355.01 × 17,929.89
  4. Step 4: Simplify right side
    29,255.31x = 723,560,890.25
  5. Step 5: Solve for x
    x = 723,560,890.25/29,255.31
  6. Step 6: Final answer
    x = 24,732.63

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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.