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Finding the Fourth Proportional to 1,865.01, 2,776.41 and 1,839.09

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Solution

The fourth proportional to 1,865.01, 2,776.41 and 1,839.09 is: 2,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.01 : 2,776.41 = 1,839.09 : x
  2. Step 2: Convert to fraction form
    1,865.01/2,776.41 = 1,839.09/x
  3. Step 3: Cross multiply
    1,865.01x = 2,776.41 × 1,839.09
  4. Step 4: Simplify right side
    1,865.01x = 5,106,067.87
  5. Step 5: Solve for x
    x = 5,106,067.87/1,865.01
  6. Step 6: Final answer
    x = 2,737.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.