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Finding the Fourth Proportional to 40,352.52, 60,528.80 and 10,770.48

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Solution

The fourth proportional to 40,352.52, 60,528.80 and 10,770.48 is: 16,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,352.52 : 60,528.80 = 10,770.48 : x
  2. Step 2: Convert to fraction form
    40,352.52/60,528.80 = 10,770.48/x
  3. Step 3: Cross multiply
    40,352.52x = 60,528.80 × 10,770.48
  4. Step 4: Simplify right side
    40,352.52x = 651,924,229.82
  5. Step 5: Solve for x
    x = 651,924,229.82/40,352.52
  6. Step 6: Final answer
    x = 16,155.73

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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.