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Finding the Fourth Proportional to 8,856.96, 13,281.12 and 6,264.96

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Solution

The fourth proportional to 8,856.96, 13,281.12 and 6,264.96 is: 9,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.96 : 13,281.12 = 6,264.96 : x
  2. Step 2: Convert to fraction form
    8,856.96/13,281.12 = 6,264.96/x
  3. Step 3: Cross multiply
    8,856.96x = 13,281.12 × 6,264.96
  4. Step 4: Simplify right side
    8,856.96x = 83,205,685.56
  5. Step 5: Solve for x
    x = 83,205,685.56/8,856.96
  6. Step 6: Final answer
    x = 9,394.38

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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.