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Finding the Fourth Proportional to 71,677.44, 107,482.56 and 38,391.36

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Solution

The fourth proportional to 71,677.44, 107,482.56 and 38,391.36 is: 57,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,677.44 : 107,482.56 = 38,391.36 : x
  2. Step 2: Convert to fraction form
    71,677.44/107,482.56 = 38,391.36/x
  3. Step 3: Cross multiply
    71,677.44x = 107,482.56 × 38,391.36
  4. Step 4: Simplify right side
    71,677.44x = 4,126,401,654.68
  5. Step 5: Solve for x
    x = 4,126,401,654.68/71,677.44
  6. Step 6: Final answer
    x = 57,569.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.