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Finding the Fourth Proportional to 11,860.19, 17,799.04 and 5,620.19

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Solution

The fourth proportional to 11,860.19, 17,799.04 and 5,620.19 is: 8,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.19 : 17,799.04 = 5,620.19 : x
  2. Step 2: Convert to fraction form
    11,860.19/17,799.04 = 5,620.19/x
  3. Step 3: Cross multiply
    11,860.19x = 17,799.04 × 5,620.19
  4. Step 4: Simplify right side
    11,860.19x = 100,033,904.65
  5. Step 5: Solve for x
    x = 100,033,904.65/11,860.19
  6. Step 6: Final answer
    x = 8,434.43

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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.