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Finding the Fourth Proportional to 55,552.70, 83,086.05 and 49,672.10

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Solution

The fourth proportional to 55,552.70, 83,086.05 and 49,672.10 is: 74,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,552.70 : 83,086.05 = 49,672.10 : x
  2. Step 2: Convert to fraction form
    55,552.70/83,086.05 = 49,672.10/x
  3. Step 3: Cross multiply
    55,552.70x = 83,086.05 × 49,672.10
  4. Step 4: Simplify right side
    55,552.70x = 4,127,058,584.21
  5. Step 5: Solve for x
    x = 4,127,058,584.21/55,552.70
  6. Step 6: Final answer
    x = 74,290.87

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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.