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Finding the Fourth Proportional to 69,286.20, 103,929.30 and 24,914.40

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Solution

The fourth proportional to 69,286.20, 103,929.30 and 24,914.40 is: 37,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,286.20 : 103,929.30 = 24,914.40 : x
  2. Step 2: Convert to fraction form
    69,286.20/103,929.30 = 24,914.40/x
  3. Step 3: Cross multiply
    69,286.20x = 103,929.30 × 24,914.40
  4. Step 4: Simplify right side
    69,286.20x = 2,589,336,151.92
  5. Step 5: Solve for x
    x = 2,589,336,151.92/69,286.20
  6. Step 6: Final answer
    x = 37,371.60

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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.