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Finding the Fourth Proportional to 52,626.62, 78,871.88 and 39,375.02

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Solution

The fourth proportional to 52,626.62, 78,871.88 and 39,375.02 is: 59,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,626.62 : 78,871.88 = 39,375.02 : x
  2. Step 2: Convert to fraction form
    52,626.62/78,871.88 = 39,375.02/x
  3. Step 3: Cross multiply
    52,626.62x = 78,871.88 × 39,375.02
  4. Step 4: Simplify right side
    52,626.62x = 3,105,581,852.44
  5. Step 5: Solve for x
    x = 3,105,581,852.44/52,626.62
  6. Step 6: Final answer
    x = 59,011.62

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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.