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Finding the Fourth Proportional to 34,855.66, 48,101.25 and 18,940.38

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Solution

The fourth proportional to 34,855.66, 48,101.25 and 18,940.38 is: 26,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.66 : 48,101.25 = 18,940.38 : x
  2. Step 2: Convert to fraction form
    34,855.66/48,101.25 = 18,940.38/x
  3. Step 3: Cross multiply
    34,855.66x = 48,101.25 × 18,940.38
  4. Step 4: Simplify right side
    34,855.66x = 911,055,712.97
  5. Step 5: Solve for x
    x = 911,055,712.97/34,855.66
  6. Step 6: Final answer
    x = 26,137.96

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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.