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Finding the Fourth Proportional to 69,711.53, 104,481.64 and 32,220.89

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Solution

The fourth proportional to 69,711.53, 104,481.64 and 32,220.89 is: 48,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,711.53 : 104,481.64 = 32,220.89 : x
  2. Step 2: Convert to fraction form
    69,711.53/104,481.64 = 32,220.89/x
  3. Step 3: Cross multiply
    69,711.53x = 104,481.64 × 32,220.89
  4. Step 4: Simplify right side
    69,711.53x = 3,366,490,745.95
  5. Step 5: Solve for x
    x = 3,366,490,745.95/69,711.53
  6. Step 6: Final answer
    x = 48,291.74

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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.