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Finding the Fourth Proportional to 55,474.70, 83,114.85 and 45,560.30

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Solution

The fourth proportional to 55,474.70, 83,114.85 and 45,560.30 is: 68,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,474.70 : 83,114.85 = 45,560.30 : x
  2. Step 2: Convert to fraction form
    55,474.70/83,114.85 = 45,560.30/x
  3. Step 3: Cross multiply
    55,474.70x = 83,114.85 × 45,560.30
  4. Step 4: Simplify right side
    55,474.70x = 3,786,737,500.46
  5. Step 5: Solve for x
    x = 3,786,737,500.46/55,474.70
  6. Step 6: Final answer
    x = 68,260.62

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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.