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Finding the Fourth Proportional to 6,766.60, 9,339.13 and 4,250.94

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Solution

The fourth proportional to 6,766.60, 9,339.13 and 4,250.94 is: 5,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.60 : 9,339.13 = 4,250.94 : x
  2. Step 2: Convert to fraction form
    6,766.60/9,339.13 = 4,250.94/x
  3. Step 3: Cross multiply
    6,766.60x = 9,339.13 × 4,250.94
  4. Step 4: Simplify right side
    6,766.60x = 39,700,034.59
  5. Step 5: Solve for x
    x = 39,700,034.59/6,766.60
  6. Step 6: Final answer
    x = 5,867.06

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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.