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Finding the Fourth Proportional to 34,593.60, 51,871.20 and 13,793.60

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Solution

The fourth proportional to 34,593.60, 51,871.20 and 13,793.60 is: 20,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,593.60 : 51,871.20 = 13,793.60 : x
  2. Step 2: Convert to fraction form
    34,593.60/51,871.20 = 13,793.60/x
  3. Step 3: Cross multiply
    34,593.60x = 51,871.20 × 13,793.60
  4. Step 4: Simplify right side
    34,593.60x = 715,490,584.32
  5. Step 5: Solve for x
    x = 715,490,584.32/34,593.60
  6. Step 6: Final answer
    x = 20,682.74

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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.