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Finding the Fourth Proportional to 7,046.73, 9,724.67 and 3,860.20

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Solution

The fourth proportional to 7,046.73, 9,724.67 and 3,860.20 is: 5,327.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,046.73 : 9,724.67 = 3,860.20 : x
  2. Step 2: Convert to fraction form
    7,046.73/9,724.67 = 3,860.20/x
  3. Step 3: Cross multiply
    7,046.73x = 9,724.67 × 3,860.20
  4. Step 4: Simplify right side
    7,046.73x = 37,539,171.13
  5. Step 5: Solve for x
    x = 37,539,171.13/7,046.73
  6. Step 6: Final answer
    x = 5,327.18

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1.5x scale

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.