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Finding the Fourth Proportional to 40,438.80, 60,593.40 and 26,571.60

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Solution

The fourth proportional to 40,438.80, 60,593.40 and 26,571.60 is: 39,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.80 : 60,593.40 = 26,571.60 : x
  2. Step 2: Convert to fraction form
    40,438.80/60,593.40 = 26,571.60/x
  3. Step 3: Cross multiply
    40,438.80x = 60,593.40 × 26,571.60
  4. Step 4: Simplify right side
    40,438.80x = 1,610,063,587.44
  5. Step 5: Solve for x
    x = 1,610,063,587.44/40,438.80
  6. Step 6: Final answer
    x = 39,814.82

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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.