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Finding the Fourth Proportional to 7,887.18, 10,884.14 and 4,350.72

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Solution

The fourth proportional to 7,887.18, 10,884.14 and 4,350.72 is: 6,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.18 : 10,884.14 = 4,350.72 : x
  2. Step 2: Convert to fraction form
    7,887.18/10,884.14 = 4,350.72/x
  3. Step 3: Cross multiply
    7,887.18x = 10,884.14 × 4,350.72
  4. Step 4: Simplify right side
    7,887.18x = 47,353,845.58
  5. Step 5: Solve for x
    x = 47,353,845.58/7,887.18
  6. Step 6: Final answer
    x = 6,003.90

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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.