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Finding the Fourth Proportional to 1,616.86, 2,423.01 and 737.20

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Solution

The fourth proportional to 1,616.86, 2,423.01 and 737.20 is: 1,104.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.86 : 2,423.01 = 737.20 : x
  2. Step 2: Convert to fraction form
    1,616.86/2,423.01 = 737.20/x
  3. Step 3: Cross multiply
    1,616.86x = 2,423.01 × 737.20
  4. Step 4: Simplify right side
    1,616.86x = 1,786,227.17
  5. Step 5: Solve for x
    x = 1,786,227.17/1,616.86
  6. Step 6: Final answer
    x = 1,104.75

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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.