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Finding the Fourth Proportional to 1,183.32, 1,633.23 and 852.30

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Solution

The fourth proportional to 1,183.32, 1,633.23 and 852.30 is: 1,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.32 : 1,633.23 = 852.30 : x
  2. Step 2: Convert to fraction form
    1,183.32/1,633.23 = 852.30/x
  3. Step 3: Cross multiply
    1,183.32x = 1,633.23 × 852.30
  4. Step 4: Simplify right side
    1,183.32x = 1,392,001.93
  5. Step 5: Solve for x
    x = 1,392,001.93/1,183.32
  6. Step 6: Final answer
    x = 1,176.35

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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.