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Finding the Fourth Proportional to 50,398.15, 75,581.10 and 16,657.87

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Solution

The fourth proportional to 50,398.15, 75,581.10 and 16,657.87 is: 24,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,398.15 : 75,581.10 = 16,657.87 : x
  2. Step 2: Convert to fraction form
    50,398.15/75,581.10 = 16,657.87/x
  3. Step 3: Cross multiply
    50,398.15x = 75,581.10 × 16,657.87
  4. Step 4: Simplify right side
    50,398.15x = 1,259,020,138.26
  5. Step 5: Solve for x
    x = 1,259,020,138.26/50,398.15
  6. Step 6: Final answer
    x = 24,981.48

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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.