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Finding the Fourth Proportional to 2,617.96, 3,612.96 and 1,732.24

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Solution

The fourth proportional to 2,617.96, 3,612.96 and 1,732.24 is: 2,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.96 : 3,612.96 = 1,732.24 : x
  2. Step 2: Convert to fraction form
    2,617.96/3,612.96 = 1,732.24/x
  3. Step 3: Cross multiply
    2,617.96x = 3,612.96 × 1,732.24
  4. Step 4: Simplify right side
    2,617.96x = 6,258,513.83
  5. Step 5: Solve for x
    x = 6,258,513.83/2,617.96
  6. Step 6: Final answer
    x = 2,390.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.