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Finding the Fourth Proportional to 2,355.84, 3,251.24 and 1,360.84

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Solution

The fourth proportional to 2,355.84, 3,251.24 and 1,360.84 is: 1,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.84 : 3,251.24 = 1,360.84 : x
  2. Step 2: Convert to fraction form
    2,355.84/3,251.24 = 1,360.84/x
  3. Step 3: Cross multiply
    2,355.84x = 3,251.24 × 1,360.84
  4. Step 4: Simplify right side
    2,355.84x = 4,424,417.44
  5. Step 5: Solve for x
    x = 4,424,417.44/2,355.84
  6. Step 6: Final answer
    x = 1,878.06

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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.