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Finding the Fourth Proportional to 6,708.66, 9,262.13 and 6,290.25

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Solution

The fourth proportional to 6,708.66, 9,262.13 and 6,290.25 is: 8,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.66 : 9,262.13 = 6,290.25 : x
  2. Step 2: Convert to fraction form
    6,708.66/9,262.13 = 6,290.25/x
  3. Step 3: Cross multiply
    6,708.66x = 9,262.13 × 6,290.25
  4. Step 4: Simplify right side
    6,708.66x = 58,261,081.78
  5. Step 5: Solve for x
    x = 58,261,081.78/6,708.66
  6. Step 6: Final answer
    x = 8,684.46

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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.