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Finding the Fourth Proportional to 3,292.72, 4,536.12 and 2,759.74

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Solution

The fourth proportional to 3,292.72, 4,536.12 and 2,759.74 is: 3,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.72 : 4,536.12 = 2,759.74 : x
  2. Step 2: Convert to fraction form
    3,292.72/4,536.12 = 2,759.74/x
  3. Step 3: Cross multiply
    3,292.72x = 4,536.12 × 2,759.74
  4. Step 4: Simplify right side
    3,292.72x = 12,518,511.81
  5. Step 5: Solve for x
    x = 12,518,511.81/3,292.72
  6. Step 6: Final answer
    x = 3,801.88

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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.