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Finding the Fourth Proportional to 29,665.43, 44,505.42 and 13,647.47

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Solution

The fourth proportional to 29,665.43, 44,505.42 and 13,647.47 is: 20,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,665.43 : 44,505.42 = 13,647.47 : x
  2. Step 2: Convert to fraction form
    29,665.43/44,505.42 = 13,647.47/x
  3. Step 3: Cross multiply
    29,665.43x = 44,505.42 × 13,647.47
  4. Step 4: Simplify right side
    29,665.43x = 607,386,161.76
  5. Step 5: Solve for x
    x = 607,386,161.76/29,665.43
  6. Step 6: Final answer
    x = 20,474.55

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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.