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Finding the Fourth Proportional to 34,872.86, 48,125.82 and 19,350.90

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Solution

The fourth proportional to 34,872.86, 48,125.82 and 19,350.90 is: 26,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.86 : 48,125.82 = 19,350.90 : x
  2. Step 2: Convert to fraction form
    34,872.86/48,125.82 = 19,350.90/x
  3. Step 3: Cross multiply
    34,872.86x = 48,125.82 × 19,350.90
  4. Step 4: Simplify right side
    34,872.86x = 931,277,930.24
  5. Step 5: Solve for x
    x = 931,277,930.24/34,872.86
  6. Step 6: Final answer
    x = 26,704.95

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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.