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Finding the Fourth Proportional to 7,046.33, 9,724.05 and 4,062.42

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Solution

The fourth proportional to 7,046.33, 9,724.05 and 4,062.42 is: 5,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.33 : 9,724.05 = 4,062.42 : x
  2. Step 2: Convert to fraction form
    7,046.33/9,724.05 = 4,062.42/x
  3. Step 3: Cross multiply
    7,046.33x = 9,724.05 × 4,062.42
  4. Step 4: Simplify right side
    7,046.33x = 39,503,175.20
  5. Step 5: Solve for x
    x = 39,503,175.20/7,046.33
  6. Step 6: Final answer
    x = 5,606.21

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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.