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Finding the Fourth Proportional to 64,191.75, 88,582.95 and 35,512.47

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Solution

The fourth proportional to 64,191.75, 88,582.95 and 35,512.47 is: 49,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,191.75 : 88,582.95 = 35,512.47 : x
  2. Step 2: Convert to fraction form
    64,191.75/88,582.95 = 35,512.47/x
  3. Step 3: Cross multiply
    64,191.75x = 88,582.95 × 35,512.47
  4. Step 4: Simplify right side
    64,191.75x = 3,145,799,354.39
  5. Step 5: Solve for x
    x = 3,145,799,354.39/64,191.75
  6. Step 6: Final answer
    x = 49,006.29

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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.