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Finding the Fourth Proportional to 3,436.86, 4,743.18 and 2,387.10

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Solution

The fourth proportional to 3,436.86, 4,743.18 and 2,387.10 is: 3,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.86 : 4,743.18 = 2,387.10 : x
  2. Step 2: Convert to fraction form
    3,436.86/4,743.18 = 2,387.10/x
  3. Step 3: Cross multiply
    3,436.86x = 4,743.18 × 2,387.10
  4. Step 4: Simplify right side
    3,436.86x = 11,322,444.98
  5. Step 5: Solve for x
    x = 11,322,444.98/3,436.86
  6. Step 6: Final answer
    x = 3,294.42

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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.