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Finding the Fourth Proportional to 7,073.69, 10,612.34 and 3,324.74

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Solution

The fourth proportional to 7,073.69, 10,612.34 and 3,324.74 is: 4,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.69 : 10,612.34 = 3,324.74 : x
  2. Step 2: Convert to fraction form
    7,073.69/10,612.34 = 3,324.74/x
  3. Step 3: Cross multiply
    7,073.69x = 10,612.34 × 3,324.74
  4. Step 4: Simplify right side
    7,073.69x = 35,283,306.93
  5. Step 5: Solve for x
    x = 35,283,306.93/7,073.69
  6. Step 6: Final answer
    x = 4,987.96

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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.