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Finding the Fourth Proportional to 69,275.52, 103,825.92 and 29,786.88

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Solution

The fourth proportional to 69,275.52, 103,825.92 and 29,786.88 is: 44,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,275.52 : 103,825.92 = 29,786.88 : x
  2. Step 2: Convert to fraction form
    69,275.52/103,825.92 = 29,786.88/x
  3. Step 3: Cross multiply
    69,275.52x = 103,825.92 × 29,786.88
  4. Step 4: Simplify right side
    69,275.52x = 3,092,650,219.93
  5. Step 5: Solve for x
    x = 3,092,650,219.93/69,275.52
  6. Step 6: Final answer
    x = 44,642.76

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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.