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Finding the Fourth Proportional to 8,862.74, 13,294.86 and 2,288.86

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Solution

The fourth proportional to 8,862.74, 13,294.86 and 2,288.86 is: 3,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.74 : 13,294.86 = 2,288.86 : x
  2. Step 2: Convert to fraction form
    8,862.74/13,294.86 = 2,288.86/x
  3. Step 3: Cross multiply
    8,862.74x = 13,294.86 × 2,288.86
  4. Step 4: Simplify right side
    8,862.74x = 30,430,073.26
  5. Step 5: Solve for x
    x = 30,430,073.26/8,862.74
  6. Step 6: Final answer
    x = 3,433.48

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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.