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Finding the Fourth Proportional to 8,652.04, 11,861.95 and 8,494.40

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Solution

The fourth proportional to 8,652.04, 11,861.95 and 8,494.40 is: 11,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.04 : 11,861.95 = 8,494.40 : x
  2. Step 2: Convert to fraction form
    8,652.04/11,861.95 = 8,494.40/x
  3. Step 3: Cross multiply
    8,652.04x = 11,861.95 × 8,494.40
  4. Step 4: Simplify right side
    8,652.04x = 100,760,148.08
  5. Step 5: Solve for x
    x = 100,760,148.08/8,652.04
  6. Step 6: Final answer
    x = 11,645.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.