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Finding the Fourth Proportional to 6,339.87, 8,755.29 and 5,224.50

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Solution

The fourth proportional to 6,339.87, 8,755.29 and 5,224.50 is: 7,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.87 : 8,755.29 = 5,224.50 : x
  2. Step 2: Convert to fraction form
    6,339.87/8,755.29 = 5,224.50/x
  3. Step 3: Cross multiply
    6,339.87x = 8,755.29 × 5,224.50
  4. Step 4: Simplify right side
    6,339.87x = 45,742,012.61
  5. Step 5: Solve for x
    x = 45,742,012.61/6,339.87
  6. Step 6: Final answer
    x = 7,214.98

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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.