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Finding the Fourth Proportional to 7,019.96, 9,687.50 and 3,876.14

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Solution

The fourth proportional to 7,019.96, 9,687.50 and 3,876.14 is: 5,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.96 : 9,687.50 = 3,876.14 : x
  2. Step 2: Convert to fraction form
    7,019.96/9,687.50 = 3,876.14/x
  3. Step 3: Cross multiply
    7,019.96x = 9,687.50 × 3,876.14
  4. Step 4: Simplify right side
    7,019.96x = 37,550,106.25
  5. Step 5: Solve for x
    x = 37,550,106.25/7,019.96
  6. Step 6: Final answer
    x = 5,349.05

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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.