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Finding the Fourth Proportional to 11,886.70, 17,833.02 and 3,566.87

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Solution

The fourth proportional to 11,886.70, 17,833.02 and 3,566.87 is: 5,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.70 : 17,833.02 = 3,566.87 : x
  2. Step 2: Convert to fraction form
    11,886.70/17,833.02 = 3,566.87/x
  3. Step 3: Cross multiply
    11,886.70x = 17,833.02 × 3,566.87
  4. Step 4: Simplify right side
    11,886.70x = 63,608,113.65
  5. Step 5: Solve for x
    x = 63,608,113.65/11,886.70
  6. Step 6: Final answer
    x = 5,351.20

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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.