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Finding the Fourth Proportional to 66,662.88, 99,905.46 and 32,877.24

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Solution

The fourth proportional to 66,662.88, 99,905.46 and 32,877.24 is: 49,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,662.88 : 99,905.46 = 32,877.24 : x
  2. Step 2: Convert to fraction form
    66,662.88/99,905.46 = 32,877.24/x
  3. Step 3: Cross multiply
    66,662.88x = 99,905.46 × 32,877.24
  4. Step 4: Simplify right side
    66,662.88x = 3,284,615,785.73
  5. Step 5: Solve for x
    x = 3,284,615,785.73/66,662.88
  6. Step 6: Final answer
    x = 49,272.04

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1.5x scale

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.