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Finding the Fourth Proportional to 66,612.58, 99,915.53 and 24,489.44

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Solution

The fourth proportional to 66,612.58, 99,915.53 and 24,489.44 is: 36,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,612.58 : 99,915.53 = 24,489.44 : x
  2. Step 2: Convert to fraction form
    66,612.58/99,915.53 = 24,489.44/x
  3. Step 3: Cross multiply
    66,612.58x = 99,915.53 × 24,489.44
  4. Step 4: Simplify right side
    66,612.58x = 2,446,875,129.66
  5. Step 5: Solve for x
    x = 2,446,875,129.66/66,612.58
  6. Step 6: Final answer
    x = 36,732.93

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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.