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Finding the Fourth Proportional to 5,930.65, 8,889.13 and 2,230.52

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Solution

The fourth proportional to 5,930.65, 8,889.13 and 2,230.52 is: 3,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.65 : 8,889.13 = 2,230.52 : x
  2. Step 2: Convert to fraction form
    5,930.65/8,889.13 = 2,230.52/x
  3. Step 3: Cross multiply
    5,930.65x = 8,889.13 × 2,230.52
  4. Step 4: Simplify right side
    5,930.65x = 19,827,382.25
  5. Step 5: Solve for x
    x = 19,827,382.25/5,930.65
  6. Step 6: Final answer
    x = 3,343.21

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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.