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Finding the Fourth Proportional to 8,841.14, 13,261.28 and 2,600.90

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Solution

The fourth proportional to 8,841.14, 13,261.28 and 2,600.90 is: 3,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.14 : 13,261.28 = 2,600.90 : x
  2. Step 2: Convert to fraction form
    8,841.14/13,261.28 = 2,600.90/x
  3. Step 3: Cross multiply
    8,841.14x = 13,261.28 × 2,600.90
  4. Step 4: Simplify right side
    8,841.14x = 34,491,263.15
  5. Step 5: Solve for x
    x = 34,491,263.15/8,841.14
  6. Step 6: Final answer
    x = 3,901.22

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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.