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Finding the Fourth Proportional to 8,892.18, 13,338.18 and 2,652.12

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Solution

The fourth proportional to 8,892.18, 13,338.18 and 2,652.12 is: 3,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.18 : 13,338.18 = 2,652.12 : x
  2. Step 2: Convert to fraction form
    8,892.18/13,338.18 = 2,652.12/x
  3. Step 3: Cross multiply
    8,892.18x = 13,338.18 × 2,652.12
  4. Step 4: Simplify right side
    8,892.18x = 35,374,453.94
  5. Step 5: Solve for x
    x = 35,374,453.94/8,892.18
  6. Step 6: Final answer
    x = 3,978.15

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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.