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Finding the Fourth Proportional to 2,652.54, 3,985 and 2,502.92

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Solution

The fourth proportional to 2,652.54, 3,985 and 2,502.92 is: 3,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.54 : 3,985 = 2,502.92 : x
  2. Step 2: Convert to fraction form
    2,652.54/3,985 = 2,502.92/x
  3. Step 3: Cross multiply
    2,652.54x = 3,985 × 2,502.92
  4. Step 4: Simplify right side
    2,652.54x = 9,974,136.20
  5. Step 5: Solve for x
    x = 9,974,136.20/2,652.54
  6. Step 6: Final answer
    x = 3,760.22

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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.