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Finding the Fourth Proportional to 40,024.80, 59,978.88 and 22,499.64

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Solution

The fourth proportional to 40,024.80, 59,978.88 and 22,499.64 is: 33,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,024.80 : 59,978.88 = 22,499.64 : x
  2. Step 2: Convert to fraction form
    40,024.80/59,978.88 = 22,499.64/x
  3. Step 3: Cross multiply
    40,024.80x = 59,978.88 × 22,499.64
  4. Step 4: Simplify right side
    40,024.80x = 1,349,503,207.60
  5. Step 5: Solve for x
    x = 1,349,503,207.60/40,024.80
  6. Step 6: Final answer
    x = 33,716.68

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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.