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Finding the Fourth Proportional to 19,757.60, 29,659.55 and 15,600.41

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Solution

The fourth proportional to 19,757.60, 29,659.55 and 15,600.41 is: 23,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.60 : 29,659.55 = 15,600.41 : x
  2. Step 2: Convert to fraction form
    19,757.60/29,659.55 = 15,600.41/x
  3. Step 3: Cross multiply
    19,757.60x = 29,659.55 × 15,600.41
  4. Step 4: Simplify right side
    19,757.60x = 462,701,140.42
  5. Step 5: Solve for x
    x = 462,701,140.42/19,757.60
  6. Step 6: Final answer
    x = 23,418.89

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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.