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Finding the Fourth Proportional to 8,863.18, 13,282.23 and 4,916.17

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Solution

The fourth proportional to 8,863.18, 13,282.23 and 4,916.17 is: 7,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.18 : 13,282.23 = 4,916.17 : x
  2. Step 2: Convert to fraction form
    8,863.18/13,282.23 = 4,916.17/x
  3. Step 3: Cross multiply
    8,863.18x = 13,282.23 × 4,916.17
  4. Step 4: Simplify right side
    8,863.18x = 65,297,676.08
  5. Step 5: Solve for x
    x = 65,297,676.08/8,863.18
  6. Step 6: Final answer
    x = 7,367.30

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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.