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Finding the Fourth Proportional to 8,800.99, 13,201.48 and 8,217.79

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Solution

The fourth proportional to 8,800.99, 13,201.48 and 8,217.79 is: 12,326.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.99 : 13,201.48 = 8,217.79 : x
  2. Step 2: Convert to fraction form
    8,800.99/13,201.48 = 8,217.79/x
  3. Step 3: Cross multiply
    8,800.99x = 13,201.48 × 8,217.79
  4. Step 4: Simplify right side
    8,800.99x = 108,486,990.33
  5. Step 5: Solve for x
    x = 108,486,990.33/8,800.99
  6. Step 6: Final answer
    x = 12,326.68

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.