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Finding the Fourth Proportional to 7,083.52, 10,622.04 and 2,153.68

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Solution

The fourth proportional to 7,083.52, 10,622.04 and 2,153.68 is: 3,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.52 : 10,622.04 = 2,153.68 : x
  2. Step 2: Convert to fraction form
    7,083.52/10,622.04 = 2,153.68/x
  3. Step 3: Cross multiply
    7,083.52x = 10,622.04 × 2,153.68
  4. Step 4: Simplify right side
    7,083.52x = 22,876,475.11
  5. Step 5: Solve for x
    x = 22,876,475.11/7,083.52
  6. Step 6: Final answer
    x = 3,229.53

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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.