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Finding the Fourth Proportional to 6,867.18, 9,478.82 and 4,348.49

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Solution

The fourth proportional to 6,867.18, 9,478.82 and 4,348.49 is: 6,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.18 : 9,478.82 = 4,348.49 : x
  2. Step 2: Convert to fraction form
    6,867.18/9,478.82 = 4,348.49/x
  3. Step 3: Cross multiply
    6,867.18x = 9,478.82 × 4,348.49
  4. Step 4: Simplify right side
    6,867.18x = 41,218,517.46
  5. Step 5: Solve for x
    x = 41,218,517.46/6,867.18
  6. Step 6: Final answer
    x = 6,002.25

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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.