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Finding the Fourth Proportional to 6,335.55, 9,498.19 and 2,640.55

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Solution

The fourth proportional to 6,335.55, 9,498.19 and 2,640.55 is: 3,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,335.55 : 9,498.19 = 2,640.55 : x
  2. Step 2: Convert to fraction form
    6,335.55/9,498.19 = 2,640.55/x
  3. Step 3: Cross multiply
    6,335.55x = 9,498.19 × 2,640.55
  4. Step 4: Simplify right side
    6,335.55x = 25,080,445.60
  5. Step 5: Solve for x
    x = 25,080,445.60/6,335.55
  6. Step 6: Final answer
    x = 3,958.68

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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.