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Finding the Fourth Proportional to 2,878.68, 4,314.41 and 1,233.30

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Solution

The fourth proportional to 2,878.68, 4,314.41 and 1,233.30 is: 1,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.68 : 4,314.41 = 1,233.30 : x
  2. Step 2: Convert to fraction form
    2,878.68/4,314.41 = 1,233.30/x
  3. Step 3: Cross multiply
    2,878.68x = 4,314.41 × 1,233.30
  4. Step 4: Simplify right side
    2,878.68x = 5,320,955.69
  5. Step 5: Solve for x
    x = 5,320,955.69/2,878.68
  6. Step 6: Final answer
    x = 1,848.40

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