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Finding the Fourth Proportional to 6,362.18, 8,776.86 and 4,124.42

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Solution

The fourth proportional to 6,362.18, 8,776.86 and 4,124.42 is: 5,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.18 : 8,776.86 = 4,124.42 : x
  2. Step 2: Convert to fraction form
    6,362.18/8,776.86 = 4,124.42/x
  3. Step 3: Cross multiply
    6,362.18x = 8,776.86 × 4,124.42
  4. Step 4: Simplify right side
    6,362.18x = 36,199,456.92
  5. Step 5: Solve for x
    x = 36,199,456.92/6,362.18
  6. Step 6: Final answer
    x = 5,689.79

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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.