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Finding the Fourth Proportional to 8,817.82, 13,227.18 and 2,894.19

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Solution

The fourth proportional to 8,817.82, 13,227.18 and 2,894.19 is: 4,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.82 : 13,227.18 = 2,894.19 : x
  2. Step 2: Convert to fraction form
    8,817.82/13,227.18 = 2,894.19/x
  3. Step 3: Cross multiply
    8,817.82x = 13,227.18 × 2,894.19
  4. Step 4: Simplify right side
    8,817.82x = 38,281,972.08
  5. Step 5: Solve for x
    x = 38,281,972.08/8,817.82
  6. Step 6: Final answer
    x = 4,341.43

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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.