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Finding the Fourth Proportional to 8,766.56, 13,125.44 and 6,822.56

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Solution

The fourth proportional to 8,766.56, 13,125.44 and 6,822.56 is: 10,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.56 : 13,125.44 = 6,822.56 : x
  2. Step 2: Convert to fraction form
    8,766.56/13,125.44 = 6,822.56/x
  3. Step 3: Cross multiply
    8,766.56x = 13,125.44 × 6,822.56
  4. Step 4: Simplify right side
    8,766.56x = 89,549,101.93
  5. Step 5: Solve for x
    x = 89,549,101.93/8,766.56
  6. Step 6: Final answer
    x = 10,214.85

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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.