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Finding the Fourth Proportional to 67,560.82, 101,346.46 and 39,483.78

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Solution

The fourth proportional to 67,560.82, 101,346.46 and 39,483.78 is: 59,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,560.82 : 101,346.46 = 39,483.78 : x
  2. Step 2: Convert to fraction form
    67,560.82/101,346.46 = 39,483.78/x
  3. Step 3: Cross multiply
    67,560.82x = 101,346.46 × 39,483.78
  4. Step 4: Simplify right side
    67,560.82x = 4,001,541,330.42
  5. Step 5: Solve for x
    x = 4,001,541,330.42/67,560.82
  6. Step 6: Final answer
    x = 59,228.73

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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.