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Finding the Fourth Proportional to 49,323.92, 68,121.96 and 45,591.44

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Solution

The fourth proportional to 49,323.92, 68,121.96 and 45,591.44 is: 62,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,323.92 : 68,121.96 = 45,591.44 : x
  2. Step 2: Convert to fraction form
    49,323.92/68,121.96 = 45,591.44/x
  3. Step 3: Cross multiply
    49,323.92x = 68,121.96 × 45,591.44
  4. Step 4: Simplify right side
    49,323.92x = 3,105,778,252.02
  5. Step 5: Solve for x
    x = 3,105,778,252.02/49,323.92
  6. Step 6: Final answer
    x = 62,966.98

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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.