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Finding the Fourth Proportional to 55,152.38, 82,728.57 and 32,972.10

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Solution

The fourth proportional to 55,152.38, 82,728.57 and 32,972.10 is: 49,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,152.38 : 82,728.57 = 32,972.10 : x
  2. Step 2: Convert to fraction form
    55,152.38/82,728.57 = 32,972.10/x
  3. Step 3: Cross multiply
    55,152.38x = 82,728.57 × 32,972.10
  4. Step 4: Simplify right side
    55,152.38x = 2,727,734,775.77
  5. Step 5: Solve for x
    x = 2,727,734,775.77/55,152.38
  6. Step 6: Final answer
    x = 49,458.15

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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.