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Finding the Fourth Proportional to 5,630.52, 7,767 and 3,272.40

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Solution

The fourth proportional to 5,630.52, 7,767 and 3,272.40 is: 4,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.52 : 7,767 = 3,272.40 : x
  2. Step 2: Convert to fraction form
    5,630.52/7,767 = 3,272.40/x
  3. Step 3: Cross multiply
    5,630.52x = 7,767 × 3,272.40
  4. Step 4: Simplify right side
    5,630.52x = 25,416,730.80
  5. Step 5: Solve for x
    x = 25,416,730.80/5,630.52
  6. Step 6: Final answer
    x = 4,514.10

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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.