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Finding the Fourth Proportional to 22,663.29, 34,019.54 and 16,721.54

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Solution

The fourth proportional to 22,663.29, 34,019.54 and 16,721.54 is: 25,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,663.29 : 34,019.54 = 16,721.54 : x
  2. Step 2: Convert to fraction form
    22,663.29/34,019.54 = 16,721.54/x
  3. Step 3: Cross multiply
    22,663.29x = 34,019.54 × 16,721.54
  4. Step 4: Simplify right side
    22,663.29x = 568,859,098.89
  5. Step 5: Solve for x
    x = 568,859,098.89/22,663.29
  6. Step 6: Final answer
    x = 25,100.46

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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.