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Finding the Fourth Proportional to 9,321.54, 13,982.31 and 2,395.50

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Solution

The fourth proportional to 9,321.54, 13,982.31 and 2,395.50 is: 3,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.54 : 13,982.31 = 2,395.50 : x
  2. Step 2: Convert to fraction form
    9,321.54/13,982.31 = 2,395.50/x
  3. Step 3: Cross multiply
    9,321.54x = 13,982.31 × 2,395.50
  4. Step 4: Simplify right side
    9,321.54x = 33,494,623.61
  5. Step 5: Solve for x
    x = 33,494,623.61/9,321.54
  6. Step 6: Final answer
    x = 3,593.25

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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.