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Finding the Fourth Proportional to 1,737.56, 2,604.42 and 697.26

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Solution

The fourth proportional to 1,737.56, 2,604.42 and 697.26 is: 1,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.56 : 2,604.42 = 697.26 : x
  2. Step 2: Convert to fraction form
    1,737.56/2,604.42 = 697.26/x
  3. Step 3: Cross multiply
    1,737.56x = 2,604.42 × 697.26
  4. Step 4: Simplify right side
    1,737.56x = 1,815,957.89
  5. Step 5: Solve for x
    x = 1,815,957.89/1,737.56
  6. Step 6: Final answer
    x = 1,045.12

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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.