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Finding the Fourth Proportional to 67,641.24, 101,479.16 and 39,584.92

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Solution

The fourth proportional to 67,641.24, 101,479.16 and 39,584.92 is: 59,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,641.24 : 101,479.16 = 39,584.92 : x
  2. Step 2: Convert to fraction form
    67,641.24/101,479.16 = 39,584.92/x
  3. Step 3: Cross multiply
    67,641.24x = 101,479.16 × 39,584.92
  4. Step 4: Simplify right side
    67,641.24x = 4,017,044,430.27
  5. Step 5: Solve for x
    x = 4,017,044,430.27/67,641.24
  6. Step 6: Final answer
    x = 59,387.50

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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.