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Finding the Fourth Proportional to 67,240.60, 100,856.76 and 29,789.68

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Solution

The fourth proportional to 67,240.60, 100,856.76 and 29,789.68 is: 44,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,240.60 : 100,856.76 = 29,789.68 : x
  2. Step 2: Convert to fraction form
    67,240.60/100,856.76 = 29,789.68/x
  3. Step 3: Cross multiply
    67,240.60x = 100,856.76 × 29,789.68
  4. Step 4: Simplify right side
    67,240.60x = 3,004,490,606.24
  5. Step 5: Solve for x
    x = 3,004,490,606.24/67,240.60
  6. Step 6: Final answer
    x = 44,682.69

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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.