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Finding the Fourth Proportional to 66,531.60, 99,797.52 and 44,388.24

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Solution

The fourth proportional to 66,531.60, 99,797.52 and 44,388.24 is: 66,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,531.60 : 99,797.52 = 44,388.24 : x
  2. Step 2: Convert to fraction form
    66,531.60/99,797.52 = 44,388.24/x
  3. Step 3: Cross multiply
    66,531.60x = 99,797.52 × 44,388.24
  4. Step 4: Simplify right side
    66,531.60x = 4,429,836,269.16
  5. Step 5: Solve for x
    x = 4,429,836,269.16/66,531.60
  6. Step 6: Final answer
    x = 66,582.44

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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.