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Finding the Fourth Proportional to 2,493.19, 3,738.51 and 849.28

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Solution

The fourth proportional to 2,493.19, 3,738.51 and 849.28 is: 1,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.19 : 3,738.51 = 849.28 : x
  2. Step 2: Convert to fraction form
    2,493.19/3,738.51 = 849.28/x
  3. Step 3: Cross multiply
    2,493.19x = 3,738.51 × 849.28
  4. Step 4: Simplify right side
    2,493.19x = 3,175,041.77
  5. Step 5: Solve for x
    x = 3,175,041.77/2,493.19
  6. Step 6: Final answer
    x = 1,273.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.