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Finding the Fourth Proportional to 55,680.60, 83,573.10 and 29,404.20

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Solution

The fourth proportional to 55,680.60, 83,573.10 and 29,404.20 is: 44,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,680.60 : 83,573.10 = 29,404.20 : x
  2. Step 2: Convert to fraction form
    55,680.60/83,573.10 = 29,404.20/x
  3. Step 3: Cross multiply
    55,680.60x = 83,573.10 × 29,404.20
  4. Step 4: Simplify right side
    55,680.60x = 2,457,400,147.02
  5. Step 5: Solve for x
    x = 2,457,400,147.02/55,680.60
  6. Step 6: Final answer
    x = 44,133.87

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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.