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Finding the Fourth Proportional to 66,601.98, 99,899.70 and 24,478.84

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Solution

The fourth proportional to 66,601.98, 99,899.70 and 24,478.84 is: 36,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,601.98 : 99,899.70 = 24,478.84 : x
  2. Step 2: Convert to fraction form
    66,601.98/99,899.70 = 24,478.84/x
  3. Step 3: Cross multiply
    66,601.98x = 99,899.70 × 24,478.84
  4. Step 4: Simplify right side
    66,601.98x = 2,445,428,805.43
  5. Step 5: Solve for x
    x = 2,445,428,805.43/66,601.98
  6. Step 6: Final answer
    x = 36,717.06

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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.