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Finding the Fourth Proportional to 8,881.86, 13,310.08 and 6,523.34

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Solution

The fourth proportional to 8,881.86, 13,310.08 and 6,523.34 is: 9,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.86 : 13,310.08 = 6,523.34 : x
  2. Step 2: Convert to fraction form
    8,881.86/13,310.08 = 6,523.34/x
  3. Step 3: Cross multiply
    8,881.86x = 13,310.08 × 6,523.34
  4. Step 4: Simplify right side
    8,881.86x = 86,826,177.27
  5. Step 5: Solve for x
    x = 86,826,177.27/8,881.86
  6. Step 6: Final answer
    x = 9,775.68

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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.