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Finding the Fourth Proportional to 5,926.65, 8,891.19 and 2,031.36

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Solution

The fourth proportional to 5,926.65, 8,891.19 and 2,031.36 is: 3,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.65 : 8,891.19 = 2,031.36 : x
  2. Step 2: Convert to fraction form
    5,926.65/8,891.19 = 2,031.36/x
  3. Step 3: Cross multiply
    5,926.65x = 8,891.19 × 2,031.36
  4. Step 4: Simplify right side
    5,926.65x = 18,061,207.72
  5. Step 5: Solve for x
    x = 18,061,207.72/5,926.65
  6. Step 6: Final answer
    x = 3,047.46

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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.