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Finding the Fourth Proportional to 8,881.68, 12,250.80 and 5,341.17

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Solution

The fourth proportional to 8,881.68, 12,250.80 and 5,341.17 is: 7,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.68 : 12,250.80 = 5,341.17 : x
  2. Step 2: Convert to fraction form
    8,881.68/12,250.80 = 5,341.17/x
  3. Step 3: Cross multiply
    8,881.68x = 12,250.80 × 5,341.17
  4. Step 4: Simplify right side
    8,881.68x = 65,433,605.44
  5. Step 5: Solve for x
    x = 65,433,605.44/8,881.68
  6. Step 6: Final answer
    x = 7,367.26

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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.