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Finding the Fourth Proportional to 7,168.19, 10,754.27 and 3,007.22

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Solution

The fourth proportional to 7,168.19, 10,754.27 and 3,007.22 is: 4,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.19 : 10,754.27 = 3,007.22 : x
  2. Step 2: Convert to fraction form
    7,168.19/10,754.27 = 3,007.22/x
  3. Step 3: Cross multiply
    7,168.19x = 10,754.27 × 3,007.22
  4. Step 4: Simplify right side
    7,168.19x = 32,340,387.02
  5. Step 5: Solve for x
    x = 32,340,387.02/7,168.19
  6. Step 6: Final answer
    x = 4,511.66

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1.5x scale

Why These Related Problems?

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