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Finding the Fourth Proportional to 67,352.92, 92,928.80 and 38,280.88

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Solution

The fourth proportional to 67,352.92, 92,928.80 and 38,280.88 is: 52,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,352.92 : 92,928.80 = 38,280.88 : x
  2. Step 2: Convert to fraction form
    67,352.92/92,928.80 = 38,280.88/x
  3. Step 3: Cross multiply
    67,352.92x = 92,928.80 × 38,280.88
  4. Step 4: Simplify right side
    67,352.92x = 3,557,396,241.34
  5. Step 5: Solve for x
    x = 3,557,396,241.34/67,352.92
  6. Step 6: Final answer
    x = 52,817.25

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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.