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Finding the Fourth Proportional to 34,872.58, 48,125.10 and 18,958.11

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Solution

The fourth proportional to 34,872.58, 48,125.10 and 18,958.11 is: 26,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.58 : 48,125.10 = 18,958.11 : x
  2. Step 2: Convert to fraction form
    34,872.58/48,125.10 = 18,958.11/x
  3. Step 3: Cross multiply
    34,872.58x = 48,125.10 × 18,958.11
  4. Step 4: Simplify right side
    34,872.58x = 912,360,939.56
  5. Step 5: Solve for x
    x = 912,360,939.56/34,872.58
  6. Step 6: Final answer
    x = 26,162.70

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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.