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Finding the Fourth Proportional to 6,330.43, 9,497.76 and 3,987.73

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Solution

The fourth proportional to 6,330.43, 9,497.76 and 3,987.73 is: 5,982.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.43 : 9,497.76 = 3,987.73 : x
  2. Step 2: Convert to fraction form
    6,330.43/9,497.76 = 3,987.73/x
  3. Step 3: Cross multiply
    6,330.43x = 9,497.76 × 3,987.73
  4. Step 4: Simplify right side
    6,330.43x = 37,874,502.48
  5. Step 5: Solve for x
    x = 37,874,502.48/6,330.43
  6. Step 6: Final answer
    x = 5,982.93

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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.