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Finding the Fourth Proportional to 11,799.97, 17,699.95 and 4,874.65

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Solution

The fourth proportional to 11,799.97, 17,699.95 and 4,874.65 is: 7,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,799.97 : 17,699.95 = 4,874.65 : x
  2. Step 2: Convert to fraction form
    11,799.97/17,699.95 = 4,874.65/x
  3. Step 3: Cross multiply
    11,799.97x = 17,699.95 × 4,874.65
  4. Step 4: Simplify right side
    11,799.97x = 86,281,073.45
  5. Step 5: Solve for x
    x = 86,281,073.45/11,799.97
  6. Step 6: Final answer
    x = 7,311.97

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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.