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Finding the Fourth Proportional to 2,700.57, 3,726.90 and 1,652.43

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Solution

The fourth proportional to 2,700.57, 3,726.90 and 1,652.43 is: 2,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.57 : 3,726.90 = 1,652.43 : x
  2. Step 2: Convert to fraction form
    2,700.57/3,726.90 = 1,652.43/x
  3. Step 3: Cross multiply
    2,700.57x = 3,726.90 × 1,652.43
  4. Step 4: Simplify right side
    2,700.57x = 6,158,441.37
  5. Step 5: Solve for x
    x = 6,158,441.37/2,700.57
  6. Step 6: Final answer
    x = 2,280.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.