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Finding the Fourth Proportional to 5,938.65, 8,902.71 and 2,239.92

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Solution

The fourth proportional to 5,938.65, 8,902.71 and 2,239.92 is: 3,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.65 : 8,902.71 = 2,239.92 : x
  2. Step 2: Convert to fraction form
    5,938.65/8,902.71 = 2,239.92/x
  3. Step 3: Cross multiply
    5,938.65x = 8,902.71 × 2,239.92
  4. Step 4: Simplify right side
    5,938.65x = 19,941,358.18
  5. Step 5: Solve for x
    x = 19,941,358.18/5,938.65
  6. Step 6: Final answer
    x = 3,357.89

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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.