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Finding the Fourth Proportional to 6,988.95, 10,480.34 and 3,701.27

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Solution

The fourth proportional to 6,988.95, 10,480.34 and 3,701.27 is: 5,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.95 : 10,480.34 = 3,701.27 : x
  2. Step 2: Convert to fraction form
    6,988.95/10,480.34 = 3,701.27/x
  3. Step 3: Cross multiply
    6,988.95x = 10,480.34 × 3,701.27
  4. Step 4: Simplify right side
    6,988.95x = 38,790,568.03
  5. Step 5: Solve for x
    x = 38,790,568.03/6,988.95
  6. Step 6: Final answer
    x = 5,550.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.