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Finding the Fourth Proportional to 7,007.92, 10,513.86 and 2,077.54

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Solution

The fourth proportional to 7,007.92, 10,513.86 and 2,077.54 is: 3,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.92 : 10,513.86 = 2,077.54 : x
  2. Step 2: Convert to fraction form
    7,007.92/10,513.86 = 2,077.54/x
  3. Step 3: Cross multiply
    7,007.92x = 10,513.86 × 2,077.54
  4. Step 4: Simplify right side
    7,007.92x = 21,842,964.70
  5. Step 5: Solve for x
    x = 21,842,964.70/7,007.92
  6. Step 6: Final answer
    x = 3,116.90

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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.