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Finding the Fourth Proportional to 7,007.66, 10,512.94 and 2,847.68

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Solution

The fourth proportional to 7,007.66, 10,512.94 and 2,847.68 is: 4,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.66 : 10,512.94 = 2,847.68 : x
  2. Step 2: Convert to fraction form
    7,007.66/10,512.94 = 2,847.68/x
  3. Step 3: Cross multiply
    7,007.66x = 10,512.94 × 2,847.68
  4. Step 4: Simplify right side
    7,007.66x = 29,937,437.10
  5. Step 5: Solve for x
    x = 29,937,437.10/7,007.66
  6. Step 6: Final answer
    x = 4,272.10

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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.