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Finding the Fourth Proportional to 66,039.88, 99,074.40 and 24,486.88

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Solution

The fourth proportional to 66,039.88, 99,074.40 and 24,486.88 is: 36,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,039.88 : 99,074.40 = 24,486.88 : x
  2. Step 2: Convert to fraction form
    66,039.88/99,074.40 = 24,486.88/x
  3. Step 3: Cross multiply
    66,039.88x = 99,074.40 × 24,486.88
  4. Step 4: Simplify right side
    66,039.88x = 2,426,022,943.87
  5. Step 5: Solve for x
    x = 2,426,022,943.87/66,039.88
  6. Step 6: Final answer
    x = 36,735.73

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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.