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Finding the Fourth Proportional to 34,859.61, 48,106.17 and 18,944.06

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Solution

The fourth proportional to 34,859.61, 48,106.17 and 18,944.06 is: 26,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.61 : 48,106.17 = 18,944.06 : x
  2. Step 2: Convert to fraction form
    34,859.61/48,106.17 = 18,944.06/x
  3. Step 3: Cross multiply
    34,859.61x = 48,106.17 × 18,944.06
  4. Step 4: Simplify right side
    34,859.61x = 911,325,930.32
  5. Step 5: Solve for x
    x = 911,325,930.32/34,859.61
  6. Step 6: Final answer
    x = 26,142.75

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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.