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Finding the Fourth Proportional to 66,360.98, 99,481.71 and 24,211.64

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Solution

The fourth proportional to 66,360.98, 99,481.71 and 24,211.64 is: 36,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.98 : 99,481.71 = 24,211.64 : x
  2. Step 2: Convert to fraction form
    66,360.98/99,481.71 = 24,211.64/x
  3. Step 3: Cross multiply
    66,360.98x = 99,481.71 × 24,211.64
  4. Step 4: Simplify right side
    66,360.98x = 2,408,615,349.10
  5. Step 5: Solve for x
    x = 2,408,615,349.10/66,360.98
  6. Step 6: Final answer
    x = 36,295.66

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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.