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Finding the Fourth Proportional to 29,487.74, 44,127.73 and 18,399.65

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Solution

The fourth proportional to 29,487.74, 44,127.73 and 18,399.65 is: 27,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.74 : 44,127.73 = 18,399.65 : x
  2. Step 2: Convert to fraction form
    29,487.74/44,127.73 = 18,399.65/x
  3. Step 3: Cross multiply
    29,487.74x = 44,127.73 × 18,399.65
  4. Step 4: Simplify right side
    29,487.74x = 811,934,787.29
  5. Step 5: Solve for x
    x = 811,934,787.29/29,487.74
  6. Step 6: Final answer
    x = 27,534.66

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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.