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Finding the Fourth Proportional to 58,692.20, 87,882.78 and 35,286.44

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Solution

The fourth proportional to 58,692.20, 87,882.78 and 35,286.44 is: 52,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,692.20 : 87,882.78 = 35,286.44 : x
  2. Step 2: Convert to fraction form
    58,692.20/87,882.78 = 35,286.44/x
  3. Step 3: Cross multiply
    58,692.20x = 87,882.78 × 35,286.44
  4. Step 4: Simplify right side
    58,692.20x = 3,101,070,443.50
  5. Step 5: Solve for x
    x = 3,101,070,443.50/58,692.20
  6. Step 6: Final answer
    x = 52,836.16

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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.