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Finding the Fourth Proportional to 52,446.38, 72,366.02 and 30,942.91

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Solution

The fourth proportional to 52,446.38, 72,366.02 and 30,942.91 is: 42,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,446.38 : 72,366.02 = 30,942.91 : x
  2. Step 2: Convert to fraction form
    52,446.38/72,366.02 = 30,942.91/x
  3. Step 3: Cross multiply
    52,446.38x = 72,366.02 × 30,942.91
  4. Step 4: Simplify right side
    52,446.38x = 2,239,214,882.09
  5. Step 5: Solve for x
    x = 2,239,214,882.09/52,446.38
  6. Step 6: Final answer
    x = 42,695.32

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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.