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Finding the Fourth Proportional to 40,799.62, 61,079.14 and 39,793.60

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Solution

The fourth proportional to 40,799.62, 61,079.14 and 39,793.60 is: 59,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,799.62 : 61,079.14 = 39,793.60 : x
  2. Step 2: Convert to fraction form
    40,799.62/61,079.14 = 39,793.60/x
  3. Step 3: Cross multiply
    40,799.62x = 61,079.14 × 39,793.60
  4. Step 4: Simplify right side
    40,799.62x = 2,430,558,865.50
  5. Step 5: Solve for x
    x = 2,430,558,865.50/40,799.62
  6. Step 6: Final answer
    x = 59,573.08

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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.