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Finding the Fourth Proportional to 1,895.53, 2,843.35 and 726.09

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Solution

The fourth proportional to 1,895.53, 2,843.35 and 726.09 is: 1,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.53 : 2,843.35 = 726.09 : x
  2. Step 2: Convert to fraction form
    1,895.53/2,843.35 = 726.09/x
  3. Step 3: Cross multiply
    1,895.53x = 2,843.35 × 726.09
  4. Step 4: Simplify right side
    1,895.53x = 2,064,524.37
  5. Step 5: Solve for x
    x = 2,064,524.37/1,895.53
  6. Step 6: Final answer
    x = 1,089.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.