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Finding the Fourth Proportional to 52,760.46, 72,815.22 and 33,640.92

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Solution

The fourth proportional to 52,760.46, 72,815.22 and 33,640.92 is: 46,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.46 : 72,815.22 = 33,640.92 : x
  2. Step 2: Convert to fraction form
    52,760.46/72,815.22 = 33,640.92/x
  3. Step 3: Cross multiply
    52,760.46x = 72,815.22 × 33,640.92
  4. Step 4: Simplify right side
    52,760.46x = 2,449,570,990.80
  5. Step 5: Solve for x
    x = 2,449,570,990.80/52,760.46
  6. Step 6: Final answer
    x = 46,428.16

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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.