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Finding the Fourth Proportional to 2,027.74, 2,797.10 and 1,188.24

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Solution

The fourth proportional to 2,027.74, 2,797.10 and 1,188.24 is: 1,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.74 : 2,797.10 = 1,188.24 : x
  2. Step 2: Convert to fraction form
    2,027.74/2,797.10 = 1,188.24/x
  3. Step 3: Cross multiply
    2,027.74x = 2,797.10 × 1,188.24
  4. Step 4: Simplify right side
    2,027.74x = 3,323,626.10
  5. Step 5: Solve for x
    x = 3,323,626.10/2,027.74
  6. Step 6: Final answer
    x = 1,639.08

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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.