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Finding the Fourth Proportional to 4,590.74, 6,885.20 and 2,249.74

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Solution

The fourth proportional to 4,590.74, 6,885.20 and 2,249.74 is: 3,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.74 : 6,885.20 = 2,249.74 : x
  2. Step 2: Convert to fraction form
    4,590.74/6,885.20 = 2,249.74/x
  3. Step 3: Cross multiply
    4,590.74x = 6,885.20 × 2,249.74
  4. Step 4: Simplify right side
    4,590.74x = 15,489,909.85
  5. Step 5: Solve for x
    x = 15,489,909.85/4,590.74
  6. Step 6: Final answer
    x = 3,374.16

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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.