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Finding the Fourth Proportional to 67,248.44, 100,856.46 and 29,787.80

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Solution

The fourth proportional to 67,248.44, 100,856.46 and 29,787.80 is: 44,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,248.44 : 100,856.46 = 29,787.80 : x
  2. Step 2: Convert to fraction form
    67,248.44/100,856.46 = 29,787.80/x
  3. Step 3: Cross multiply
    67,248.44x = 100,856.46 × 29,787.80
  4. Step 4: Simplify right side
    67,248.44x = 3,004,292,059.19
  5. Step 5: Solve for x
    x = 3,004,292,059.19/67,248.44
  6. Step 6: Final answer
    x = 44,674.52

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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.