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Finding the Fourth Proportional to 67,248.10, 100,835.70 and 27,760.60

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Solution

The fourth proportional to 67,248.10, 100,835.70 and 27,760.60 is: 41,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,248.10 : 100,835.70 = 27,760.60 : x
  2. Step 2: Convert to fraction form
    67,248.10/100,835.70 = 27,760.60/x
  3. Step 3: Cross multiply
    67,248.10x = 100,835.70 × 27,760.60
  4. Step 4: Simplify right side
    67,248.10x = 2,799,259,533.42
  5. Step 5: Solve for x
    x = 2,799,259,533.42/67,248.10
  6. Step 6: Final answer
    x = 41,625.85

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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.