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Finding the Fourth Proportional to 52,752.32, 79,072.88 and 36,107.92

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Solution

The fourth proportional to 52,752.32, 79,072.88 and 36,107.92 is: 54,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,752.32 : 79,072.88 = 36,107.92 : x
  2. Step 2: Convert to fraction form
    52,752.32/79,072.88 = 36,107.92/x
  3. Step 3: Cross multiply
    52,752.32x = 79,072.88 × 36,107.92
  4. Step 4: Simplify right side
    52,752.32x = 2,855,157,225.21
  5. Step 5: Solve for x
    x = 2,855,157,225.21/52,752.32
  6. Step 6: Final answer
    x = 54,123.82

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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.