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Finding the Fourth Proportional to 2,558.33, 3,837.65 and 709.41

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Solution

The fourth proportional to 2,558.33, 3,837.65 and 709.41 is: 1,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.33 : 3,837.65 = 709.41 : x
  2. Step 2: Convert to fraction form
    2,558.33/3,837.65 = 709.41/x
  3. Step 3: Cross multiply
    2,558.33x = 3,837.65 × 709.41
  4. Step 4: Simplify right side
    2,558.33x = 2,722,462.53
  5. Step 5: Solve for x
    x = 2,722,462.53/2,558.33
  6. Step 6: Final answer
    x = 1,064.15

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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.