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Finding the Fourth Proportional to 1,737.16, 2,605.44 and 956.90

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Solution

The fourth proportional to 1,737.16, 2,605.44 and 956.90 is: 1,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.16 : 2,605.44 = 956.90 : x
  2. Step 2: Convert to fraction form
    1,737.16/2,605.44 = 956.90/x
  3. Step 3: Cross multiply
    1,737.16x = 2,605.44 × 956.90
  4. Step 4: Simplify right side
    1,737.16x = 2,493,145.54
  5. Step 5: Solve for x
    x = 2,493,145.54/1,737.16
  6. Step 6: Final answer
    x = 1,435.18

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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.