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Finding the Fourth Proportional to 55,602.45, 83,404.08 and 44,494.92

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Solution

The fourth proportional to 55,602.45, 83,404.08 and 44,494.92 is: 66,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.45 : 83,404.08 = 44,494.92 : x
  2. Step 2: Convert to fraction form
    55,602.45/83,404.08 = 44,494.92/x
  3. Step 3: Cross multiply
    55,602.45x = 83,404.08 × 44,494.92
  4. Step 4: Simplify right side
    55,602.45x = 3,711,057,867.27
  5. Step 5: Solve for x
    x = 3,711,057,867.27/55,602.45
  6. Step 6: Final answer
    x = 66,742.70

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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.