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Finding the Fourth Proportional to 2,520.74, 3,479.04 and 1,624.22

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Solution

The fourth proportional to 2,520.74, 3,479.04 and 1,624.22 is: 2,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.74 : 3,479.04 = 1,624.22 : x
  2. Step 2: Convert to fraction form
    2,520.74/3,479.04 = 1,624.22/x
  3. Step 3: Cross multiply
    2,520.74x = 3,479.04 × 1,624.22
  4. Step 4: Simplify right side
    2,520.74x = 5,650,708.95
  5. Step 5: Solve for x
    x = 5,650,708.95/2,520.74
  6. Step 6: Final answer
    x = 2,241.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.