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Finding the Fourth Proportional to 39,527.40, 59,147.10 and 29,159.40

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Solution

The fourth proportional to 39,527.40, 59,147.10 and 29,159.40 is: 43,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,527.40 : 59,147.10 = 29,159.40 : x
  2. Step 2: Convert to fraction form
    39,527.40/59,147.10 = 29,159.40/x
  3. Step 3: Cross multiply
    39,527.40x = 59,147.10 × 29,159.40
  4. Step 4: Simplify right side
    39,527.40x = 1,724,693,947.74
  5. Step 5: Solve for x
    x = 1,724,693,947.74/39,527.40
  6. Step 6: Final answer
    x = 43,632.87

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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.