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Finding the Fourth Proportional to 849.44, 1,267.48 and 752.24

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Solution

The fourth proportional to 849.44, 1,267.48 and 752.24 is: 1,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.44 : 1,267.48 = 752.24 : x
  2. Step 2: Convert to fraction form
    849.44/1,267.48 = 752.24/x
  3. Step 3: Cross multiply
    849.44x = 1,267.48 × 752.24
  4. Step 4: Simplify right side
    849.44x = 953,449.16
  5. Step 5: Solve for x
    x = 953,449.16/849.44
  6. Step 6: Final answer
    x = 1,122.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.