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Finding the Fourth Proportional to 7,081.52, 10,622.23 and 1,816.52

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Solution

The fourth proportional to 7,081.52, 10,622.23 and 1,816.52 is: 2,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.52 : 10,622.23 = 1,816.52 : x
  2. Step 2: Convert to fraction form
    7,081.52/10,622.23 = 1,816.52/x
  3. Step 3: Cross multiply
    7,081.52x = 10,622.23 × 1,816.52
  4. Step 4: Simplify right side
    7,081.52x = 19,295,493.24
  5. Step 5: Solve for x
    x = 19,295,493.24/7,081.52
  6. Step 6: Final answer
    x = 2,724.77

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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.