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Finding the Fourth Proportional to 3,713.88, 5,572.44 and 1,249.05

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Solution

The fourth proportional to 3,713.88, 5,572.44 and 1,249.05 is: 1,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.88 : 5,572.44 = 1,249.05 : x
  2. Step 2: Convert to fraction form
    3,713.88/5,572.44 = 1,249.05/x
  3. Step 3: Cross multiply
    3,713.88x = 5,572.44 × 1,249.05
  4. Step 4: Simplify right side
    3,713.88x = 6,960,256.18
  5. Step 5: Solve for x
    x = 6,960,256.18/3,713.88
  6. Step 6: Final answer
    x = 1,874.12

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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.