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Finding the Fourth Proportional to 6,382.17, 8,807.31 and 3,587.67

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Solution

The fourth proportional to 6,382.17, 8,807.31 and 3,587.67 is: 4,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.17 : 8,807.31 = 3,587.67 : x
  2. Step 2: Convert to fraction form
    6,382.17/8,807.31 = 3,587.67/x
  3. Step 3: Cross multiply
    6,382.17x = 8,807.31 × 3,587.67
  4. Step 4: Simplify right side
    6,382.17x = 31,597,721.87
  5. Step 5: Solve for x
    x = 31,597,721.87/6,382.17
  6. Step 6: Final answer
    x = 4,950.94

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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.