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Finding the Fourth Proportional to 6,774.48, 9,348.95 and 3,790.29

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Solution

The fourth proportional to 6,774.48, 9,348.95 and 3,790.29 is: 5,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.48 : 9,348.95 = 3,790.29 : x
  2. Step 2: Convert to fraction form
    6,774.48/9,348.95 = 3,790.29/x
  3. Step 3: Cross multiply
    6,774.48x = 9,348.95 × 3,790.29
  4. Step 4: Simplify right side
    6,774.48x = 35,435,231.70
  5. Step 5: Solve for x
    x = 35,435,231.70/6,774.48
  6. Step 6: Final answer
    x = 5,230.69

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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.