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Finding the Fourth Proportional to 72,951.92, 109,432.20 and 23,033.60

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Solution

The fourth proportional to 72,951.92, 109,432.20 and 23,033.60 is: 34,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,951.92 : 109,432.20 = 23,033.60 : x
  2. Step 2: Convert to fraction form
    72,951.92/109,432.20 = 23,033.60/x
  3. Step 3: Cross multiply
    72,951.92x = 109,432.20 × 23,033.60
  4. Step 4: Simplify right side
    72,951.92x = 2,520,617,521.92
  5. Step 5: Solve for x
    x = 2,520,617,521.92/72,951.92
  6. Step 6: Final answer
    x = 34,551.76

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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.