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Finding the Fourth Proportional to 6,630.68, 9,938.44 and 2,730.24

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Solution

The fourth proportional to 6,630.68, 9,938.44 and 2,730.24 is: 4,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.68 : 9,938.44 = 2,730.24 : x
  2. Step 2: Convert to fraction form
    6,630.68/9,938.44 = 2,730.24/x
  3. Step 3: Cross multiply
    6,630.68x = 9,938.44 × 2,730.24
  4. Step 4: Simplify right side
    6,630.68x = 27,134,326.43
  5. Step 5: Solve for x
    x = 27,134,326.43/6,630.68
  6. Step 6: Final answer
    x = 4,092.24

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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.