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Finding the Fourth Proportional to 24,920.96, 37,388.28 and 20,738.48

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Solution

The fourth proportional to 24,920.96, 37,388.28 and 20,738.48 is: 31,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,920.96 : 37,388.28 = 20,738.48 : x
  2. Step 2: Convert to fraction form
    24,920.96/37,388.28 = 20,738.48/x
  3. Step 3: Cross multiply
    24,920.96x = 37,388.28 × 20,738.48
  4. Step 4: Simplify right side
    24,920.96x = 775,376,097.01
  5. Step 5: Solve for x
    x = 775,376,097.01/24,920.96
  6. Step 6: Final answer
    x = 31,113.41

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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.