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Finding the Fourth Proportional to 67,952.52, 93,767.63 and 39,674.61

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Solution

The fourth proportional to 67,952.52, 93,767.63 and 39,674.61 is: 54,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,952.52 : 93,767.63 = 39,674.61 : x
  2. Step 2: Convert to fraction form
    67,952.52/93,767.63 = 39,674.61/x
  3. Step 3: Cross multiply
    67,952.52x = 93,767.63 × 39,674.61
  4. Step 4: Simplify right side
    67,952.52x = 3,720,193,952.50
  5. Step 5: Solve for x
    x = 3,720,193,952.50/67,952.52
  6. Step 6: Final answer
    x = 54,746.96

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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.