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Finding the Fourth Proportional to 8,863.29, 13,292.01 and 2,938.82

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Solution

The fourth proportional to 8,863.29, 13,292.01 and 2,938.82 is: 4,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.29 : 13,292.01 = 2,938.82 : x
  2. Step 2: Convert to fraction form
    8,863.29/13,292.01 = 2,938.82/x
  3. Step 3: Cross multiply
    8,863.29x = 13,292.01 × 2,938.82
  4. Step 4: Simplify right side
    8,863.29x = 39,062,758.37
  5. Step 5: Solve for x
    x = 39,062,758.37/8,863.29
  6. Step 6: Final answer
    x = 4,407.25

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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.