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Finding the Fourth Proportional to 8,849.16, 12,187.19 and 8,822.03

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Solution

The fourth proportional to 8,849.16, 12,187.19 and 8,822.03 is: 12,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.16 : 12,187.19 = 8,822.03 : x
  2. Step 2: Convert to fraction form
    8,849.16/12,187.19 = 8,822.03/x
  3. Step 3: Cross multiply
    8,849.16x = 12,187.19 × 8,822.03
  4. Step 4: Simplify right side
    8,849.16x = 107,515,716.91
  5. Step 5: Solve for x
    x = 107,515,716.91/8,849.16
  6. Step 6: Final answer
    x = 12,149.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.