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Finding the Fourth Proportional to 1,737.10, 2,605.65 and 697.26

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Solution

The fourth proportional to 1,737.10, 2,605.65 and 697.26 is: 1,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.10 : 2,605.65 = 697.26 : x
  2. Step 2: Convert to fraction form
    1,737.10/2,605.65 = 697.26/x
  3. Step 3: Cross multiply
    1,737.10x = 2,605.65 × 697.26
  4. Step 4: Simplify right side
    1,737.10x = 1,816,815.52
  5. Step 5: Solve for x
    x = 1,816,815.52/1,737.10
  6. Step 6: Final answer
    x = 1,045.89

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1.5x scale

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.