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Finding the Fourth Proportional to 63,812.52, 88,059.78 and 35,517.60

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Solution

The fourth proportional to 63,812.52, 88,059.78 and 35,517.60 is: 49,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,812.52 : 88,059.78 = 35,517.60 : x
  2. Step 2: Convert to fraction form
    63,812.52/88,059.78 = 35,517.60/x
  3. Step 3: Cross multiply
    63,812.52x = 88,059.78 × 35,517.60
  4. Step 4: Simplify right side
    63,812.52x = 3,127,672,042.13
  5. Step 5: Solve for x
    x = 3,127,672,042.13/63,812.52
  6. Step 6: Final answer
    x = 49,013.45

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1.5x scale

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.