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Finding the Fourth Proportional to 7,487.26, 10,336.86 and 6,656.95

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Solution

The fourth proportional to 7,487.26, 10,336.86 and 6,656.95 is: 9,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.26 : 10,336.86 = 6,656.95 : x
  2. Step 2: Convert to fraction form
    7,487.26/10,336.86 = 6,656.95/x
  3. Step 3: Cross multiply
    7,487.26x = 10,336.86 × 6,656.95
  4. Step 4: Simplify right side
    7,487.26x = 68,811,960.18
  5. Step 5: Solve for x
    x = 68,811,960.18/7,487.26
  6. Step 6: Final answer
    x = 9,190.54

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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.