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Finding the Fourth Proportional to 48,724.92, 67,304.93 and 39,200.67

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Solution

The fourth proportional to 48,724.92, 67,304.93 and 39,200.67 is: 54,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,724.92 : 67,304.93 = 39,200.67 : x
  2. Step 2: Convert to fraction form
    48,724.92/67,304.93 = 39,200.67/x
  3. Step 3: Cross multiply
    48,724.92x = 67,304.93 × 39,200.67
  4. Step 4: Simplify right side
    48,724.92x = 2,638,398,154.30
  5. Step 5: Solve for x
    x = 2,638,398,154.30/48,724.92
  6. Step 6: Final answer
    x = 54,148.85

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1.5x scale

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.