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Finding the Fourth Proportional to 1,096.32, 1,512.18 and 833.88

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Solution

The fourth proportional to 1,096.32, 1,512.18 and 833.88 is: 1,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.32 : 1,512.18 = 833.88 : x
  2. Step 2: Convert to fraction form
    1,096.32/1,512.18 = 833.88/x
  3. Step 3: Cross multiply
    1,096.32x = 1,512.18 × 833.88
  4. Step 4: Simplify right side
    1,096.32x = 1,260,976.66
  5. Step 5: Solve for x
    x = 1,260,976.66/1,096.32
  6. Step 6: Final answer
    x = 1,150.19

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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.