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Finding the Fourth Proportional to 2,737.60, 4,108.04 and 2,637.20

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Solution

The fourth proportional to 2,737.60, 4,108.04 and 2,637.20 is: 3,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.60 : 4,108.04 = 2,637.20 : x
  2. Step 2: Convert to fraction form
    2,737.60/4,108.04 = 2,637.20/x
  3. Step 3: Cross multiply
    2,737.60x = 4,108.04 × 2,637.20
  4. Step 4: Simplify right side
    2,737.60x = 10,833,723.09
  5. Step 5: Solve for x
    x = 10,833,723.09/2,737.60
  6. Step 6: Final answer
    x = 3,957.38

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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.