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Finding the Fourth Proportional to 6,610.95, 9,917.43 and 2,167.14

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Solution

The fourth proportional to 6,610.95, 9,917.43 and 2,167.14 is: 3,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.95 : 9,917.43 = 2,167.14 : x
  2. Step 2: Convert to fraction form
    6,610.95/9,917.43 = 2,167.14/x
  3. Step 3: Cross multiply
    6,610.95x = 9,917.43 × 2,167.14
  4. Step 4: Simplify right side
    6,610.95x = 21,492,459.25
  5. Step 5: Solve for x
    x = 21,492,459.25/6,610.95
  6. Step 6: Final answer
    x = 3,251.04

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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.