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Finding the Fourth Proportional to 6,237.65, 9,362.79 and 3,119.88

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Solution

The fourth proportional to 6,237.65, 9,362.79 and 3,119.88 is: 4,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.65 : 9,362.79 = 3,119.88 : x
  2. Step 2: Convert to fraction form
    6,237.65/9,362.79 = 3,119.88/x
  3. Step 3: Cross multiply
    6,237.65x = 9,362.79 × 3,119.88
  4. Step 4: Simplify right side
    6,237.65x = 29,210,781.27
  5. Step 5: Solve for x
    x = 29,210,781.27/6,237.65
  6. Step 6: Final answer
    x = 4,682.98

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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.