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Finding the Fourth Proportional to 69,597.83, 96,043.97 and 40,920.71

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Solution

The fourth proportional to 69,597.83, 96,043.97 and 40,920.71 is: 56,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,597.83 : 96,043.97 = 40,920.71 : x
  2. Step 2: Convert to fraction form
    69,597.83/96,043.97 = 40,920.71/x
  3. Step 3: Cross multiply
    69,597.83x = 96,043.97 × 40,920.71
  4. Step 4: Simplify right side
    69,597.83x = 3,930,186,758.80
  5. Step 5: Solve for x
    x = 3,930,186,758.80/69,597.83
  6. Step 6: Final answer
    x = 56,469.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.