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Finding the Fourth Proportional to 6,610.17, 9,920.06 and 5,327.13

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Solution

The fourth proportional to 6,610.17, 9,920.06 and 5,327.13 is: 7,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.17 : 9,920.06 = 5,327.13 : x
  2. Step 2: Convert to fraction form
    6,610.17/9,920.06 = 5,327.13/x
  3. Step 3: Cross multiply
    6,610.17x = 9,920.06 × 5,327.13
  4. Step 4: Simplify right side
    6,610.17x = 52,845,422.59
  5. Step 5: Solve for x
    x = 52,845,422.59/6,610.17
  6. Step 6: Final answer
    x = 7,994.56

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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.