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Finding the Fourth Proportional to 6,117.50, 8,442.87 and 3,633.50

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Solution

The fourth proportional to 6,117.50, 8,442.87 and 3,633.50 is: 5,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.50 : 8,442.87 = 3,633.50 : x
  2. Step 2: Convert to fraction form
    6,117.50/8,442.87 = 3,633.50/x
  3. Step 3: Cross multiply
    6,117.50x = 8,442.87 × 3,633.50
  4. Step 4: Simplify right side
    6,117.50x = 30,677,168.15
  5. Step 5: Solve for x
    x = 30,677,168.15/6,117.50
  6. Step 6: Final answer
    x = 5,014.66

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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.