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Finding the Fourth Proportional to 2,249.76, 3,374.62 and 710.76

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Solution

The fourth proportional to 2,249.76, 3,374.62 and 710.76 is: 1,066.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.76 : 3,374.62 = 710.76 : x
  2. Step 2: Convert to fraction form
    2,249.76/3,374.62 = 710.76/x
  3. Step 3: Cross multiply
    2,249.76x = 3,374.62 × 710.76
  4. Step 4: Simplify right side
    2,249.76x = 2,398,544.91
  5. Step 5: Solve for x
    x = 2,398,544.91/2,249.76
  6. Step 6: Final answer
    x = 1,066.13

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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.