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Finding the Fourth Proportional to 15,321.24, 22,982.48 and 7,001.72

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Solution

The fourth proportional to 15,321.24, 22,982.48 and 7,001.72 is: 10,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.24 : 22,982.48 = 7,001.72 : x
  2. Step 2: Convert to fraction form
    15,321.24/22,982.48 = 7,001.72/x
  3. Step 3: Cross multiply
    15,321.24x = 22,982.48 × 7,001.72
  4. Step 4: Simplify right side
    15,321.24x = 160,916,889.87
  5. Step 5: Solve for x
    x = 160,916,889.87/15,321.24
  6. Step 6: Final answer
    x = 10,502.86

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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.