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Finding the Fourth Proportional to 63,762.89, 87,983.49 and 38,263.83

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Solution

The fourth proportional to 63,762.89, 87,983.49 and 38,263.83 is: 52,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,762.89 : 87,983.49 = 38,263.83 : x
  2. Step 2: Convert to fraction form
    63,762.89/87,983.49 = 38,263.83/x
  3. Step 3: Cross multiply
    63,762.89x = 87,983.49 × 38,263.83
  4. Step 4: Simplify right side
    63,762.89x = 3,366,585,304.17
  5. Step 5: Solve for x
    x = 3,366,585,304.17/63,762.89
  6. Step 6: Final answer
    x = 52,798.51

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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.