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Finding the Fourth Proportional to 63,680.52, 87,877.38 and 35,385.48

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Solution

The fourth proportional to 63,680.52, 87,877.38 and 35,385.48 is: 48,831.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,680.52 : 87,877.38 = 35,385.48 : x
  2. Step 2: Convert to fraction form
    63,680.52/87,877.38 = 35,385.48/x
  3. Step 3: Cross multiply
    63,680.52x = 87,877.38 × 35,385.48
  4. Step 4: Simplify right side
    63,680.52x = 3,109,583,272.44
  5. Step 5: Solve for x
    x = 3,109,583,272.44/63,680.52
  6. Step 6: Final answer
    x = 48,831.00

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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.