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Finding the Fourth Proportional to 63,655.47, 87,834.78 and 36,792.77

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Solution

The fourth proportional to 63,655.47, 87,834.78 and 36,792.77 is: 50,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,655.47 : 87,834.78 = 36,792.77 : x
  2. Step 2: Convert to fraction form
    63,655.47/87,834.78 = 36,792.77/x
  3. Step 3: Cross multiply
    63,655.47x = 87,834.78 × 36,792.77
  4. Step 4: Simplify right side
    63,655.47x = 3,231,684,419.37
  5. Step 5: Solve for x
    x = 3,231,684,419.37/63,655.47
  6. Step 6: Final answer
    x = 50,768.37

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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.