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Finding the Fourth Proportional to 39,751.20, 59,626.80 and 24,199.20

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Solution

The fourth proportional to 39,751.20, 59,626.80 and 24,199.20 is: 36,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.20 : 59,626.80 = 24,199.20 : x
  2. Step 2: Convert to fraction form
    39,751.20/59,626.80 = 24,199.20/x
  3. Step 3: Cross multiply
    39,751.20x = 59,626.80 × 24,199.20
  4. Step 4: Simplify right side
    39,751.20x = 1,442,920,858.56
  5. Step 5: Solve for x
    x = 1,442,920,858.56/39,751.20
  6. Step 6: Final answer
    x = 36,298.80

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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.