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Finding the Fourth Proportional to 63,801.28, 88,042.96 and 36,942.40

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Solution

The fourth proportional to 63,801.28, 88,042.96 and 36,942.40 is: 50,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,801.28 : 88,042.96 = 36,942.40 : x
  2. Step 2: Convert to fraction form
    63,801.28/88,042.96 = 36,942.40/x
  3. Step 3: Cross multiply
    63,801.28x = 88,042.96 × 36,942.40
  4. Step 4: Simplify right side
    63,801.28x = 3,252,518,245.50
  5. Step 5: Solve for x
    x = 3,252,518,245.50/63,801.28
  6. Step 6: Final answer
    x = 50,978.89

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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.