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Finding the Fourth Proportional to 1,183.10, 1,632.53 and 704.49

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Solution

The fourth proportional to 1,183.10, 1,632.53 and 704.49 is: 972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.10 : 1,632.53 = 704.49 : x
  2. Step 2: Convert to fraction form
    1,183.10/1,632.53 = 704.49/x
  3. Step 3: Cross multiply
    1,183.10x = 1,632.53 × 704.49
  4. Step 4: Simplify right side
    1,183.10x = 1,150,101.06
  5. Step 5: Solve for x
    x = 1,150,101.06/1,183.10
  6. Step 6: Final answer
    x = 972.11

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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.