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Finding the Fourth Proportional to 6,382.72, 8,808.32 and 3,588.32

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Solution

The fourth proportional to 6,382.72, 8,808.32 and 3,588.32 is: 4,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.72 : 8,808.32 = 3,588.32 : x
  2. Step 2: Convert to fraction form
    6,382.72/8,808.32 = 3,588.32/x
  3. Step 3: Cross multiply
    6,382.72x = 8,808.32 × 3,588.32
  4. Step 4: Simplify right side
    6,382.72x = 31,607,070.82
  5. Step 5: Solve for x
    x = 31,607,070.82/6,382.72
  6. Step 6: Final answer
    x = 4,951.98

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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.