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Finding the Fourth Proportional to 73,891.38, 101,959.07 and 41,621.39

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Solution

The fourth proportional to 73,891.38, 101,959.07 and 41,621.39 is: 57,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,891.38 : 101,959.07 = 41,621.39 : x
  2. Step 2: Convert to fraction form
    73,891.38/101,959.07 = 41,621.39/x
  3. Step 3: Cross multiply
    73,891.38x = 101,959.07 × 41,621.39
  4. Step 4: Simplify right side
    73,891.38x = 4,243,677,810.77
  5. Step 5: Solve for x
    x = 4,243,677,810.77/73,891.38
  6. Step 6: Final answer
    x = 57,431.30

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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.