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Finding the Fourth Proportional to 34,841.80, 48,081.87 and 18,926.38

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Solution

The fourth proportional to 34,841.80, 48,081.87 and 18,926.38 is: 26,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,841.80 : 48,081.87 = 18,926.38 : x
  2. Step 2: Convert to fraction form
    34,841.80/48,081.87 = 18,926.38/x
  3. Step 3: Cross multiply
    34,841.80x = 48,081.87 × 18,926.38
  4. Step 4: Simplify right side
    34,841.80x = 910,015,742.73
  5. Step 5: Solve for x
    x = 910,015,742.73/34,841.80
  6. Step 6: Final answer
    x = 26,118.51

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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.