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Finding the Fourth Proportional to 63,319.78, 87,360.07 and 36,461.71

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Solution

The fourth proportional to 63,319.78, 87,360.07 and 36,461.71 is: 50,304.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,319.78 : 87,360.07 = 36,461.71 : x
  2. Step 2: Convert to fraction form
    63,319.78/87,360.07 = 36,461.71/x
  3. Step 3: Cross multiply
    63,319.78x = 87,360.07 × 36,461.71
  4. Step 4: Simplify right side
    63,319.78x = 3,185,297,537.92
  5. Step 5: Solve for x
    x = 3,185,297,537.92/63,319.78
  6. Step 6: Final answer
    x = 50,304.94

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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.