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Finding the Fourth Proportional to 69,247.78, 103,834.74 and 35,934.30

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Solution

The fourth proportional to 69,247.78, 103,834.74 and 35,934.30 is: 53,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,247.78 : 103,834.74 = 35,934.30 : x
  2. Step 2: Convert to fraction form
    69,247.78/103,834.74 = 35,934.30/x
  3. Step 3: Cross multiply
    69,247.78x = 103,834.74 × 35,934.30
  4. Step 4: Simplify right side
    69,247.78x = 3,731,228,697.58
  5. Step 5: Solve for x
    x = 3,731,228,697.58/69,247.78
  6. Step 6: Final answer
    x = 53,882.29

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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.