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Finding the Fourth Proportional to 6,155.65, 9,243.21 and 4,862.89

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Solution

The fourth proportional to 6,155.65, 9,243.21 and 4,862.89 is: 7,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.65 : 9,243.21 = 4,862.89 : x
  2. Step 2: Convert to fraction form
    6,155.65/9,243.21 = 4,862.89/x
  3. Step 3: Cross multiply
    6,155.65x = 9,243.21 × 4,862.89
  4. Step 4: Simplify right side
    6,155.65x = 44,948,713.48
  5. Step 5: Solve for x
    x = 44,948,713.48/6,155.65
  6. Step 6: Final answer
    x = 7,302.03

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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.