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Finding the Fourth Proportional to 2,363.41, 3,261.50 and 1,315.47

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Solution

The fourth proportional to 2,363.41, 3,261.50 and 1,315.47 is: 1,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.41 : 3,261.50 = 1,315.47 : x
  2. Step 2: Convert to fraction form
    2,363.41/3,261.50 = 1,315.47/x
  3. Step 3: Cross multiply
    2,363.41x = 3,261.50 × 1,315.47
  4. Step 4: Simplify right side
    2,363.41x = 4,290,405.41
  5. Step 5: Solve for x
    x = 4,290,405.41/2,363.41
  6. Step 6: Final answer
    x = 1,815.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.