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Finding the Fourth Proportional to 63,448.87, 87,560.16 and 34,768.60

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Solution

The fourth proportional to 63,448.87, 87,560.16 and 34,768.60 is: 47,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,448.87 : 87,560.16 = 34,768.60 : x
  2. Step 2: Convert to fraction form
    63,448.87/87,560.16 = 34,768.60/x
  3. Step 3: Cross multiply
    63,448.87x = 87,560.16 × 34,768.60
  4. Step 4: Simplify right side
    63,448.87x = 3,044,344,178.98
  5. Step 5: Solve for x
    x = 3,044,344,178.98/63,448.87
  6. Step 6: Final answer
    x = 47,981.06

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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.