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Finding the Fourth Proportional to 2,832.98, 4,249.54 and 752.98

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Solution

The fourth proportional to 2,832.98, 4,249.54 and 752.98 is: 1,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.98 : 4,249.54 = 752.98 : x
  2. Step 2: Convert to fraction form
    2,832.98/4,249.54 = 752.98/x
  3. Step 3: Cross multiply
    2,832.98x = 4,249.54 × 752.98
  4. Step 4: Simplify right side
    2,832.98x = 3,199,809.41
  5. Step 5: Solve for x
    x = 3,199,809.41/2,832.98
  6. Step 6: Final answer
    x = 1,129.49

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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.