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Finding the Fourth Proportional to 1,183.84, 1,632.96 and 852.88

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Solution

The fourth proportional to 1,183.84, 1,632.96 and 852.88 is: 1,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.84 : 1,632.96 = 852.88 : x
  2. Step 2: Convert to fraction form
    1,183.84/1,632.96 = 852.88/x
  3. Step 3: Cross multiply
    1,183.84x = 1,632.96 × 852.88
  4. Step 4: Simplify right side
    1,183.84x = 1,392,718.92
  5. Step 5: Solve for x
    x = 1,392,718.92/1,183.84
  6. Step 6: Final answer
    x = 1,176.44

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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.