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Finding the Fourth Proportional to 63,680.29, 87,879.71 and 35,002.60

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Solution

The fourth proportional to 63,680.29, 87,879.71 and 35,002.60 is: 48,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,680.29 : 87,879.71 = 35,002.60 : x
  2. Step 2: Convert to fraction form
    63,680.29/87,879.71 = 35,002.60/x
  3. Step 3: Cross multiply
    63,680.29x = 87,879.71 × 35,002.60
  4. Step 4: Simplify right side
    63,680.29x = 3,076,018,337.25
  5. Step 5: Solve for x
    x = 3,076,018,337.25/63,680.29
  6. Step 6: Final answer
    x = 48,304.09

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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.