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Finding the Fourth Proportional to 30,343.52, 41,874.54 and 17,424.92

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Solution

The fourth proportional to 30,343.52, 41,874.54 and 17,424.92 is: 24,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.52 : 41,874.54 = 17,424.92 : x
  2. Step 2: Convert to fraction form
    30,343.52/41,874.54 = 17,424.92/x
  3. Step 3: Cross multiply
    30,343.52x = 41,874.54 × 17,424.92
  4. Step 4: Simplify right side
    30,343.52x = 729,660,509.54
  5. Step 5: Solve for x
    x = 729,660,509.54/30,343.52
  6. Step 6: Final answer
    x = 24,046.67

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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.