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Finding the Fourth Proportional to 6,998.72, 9,658.24 and 4,344.52

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Solution

The fourth proportional to 6,998.72, 9,658.24 and 4,344.52 is: 5,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.72 : 9,658.24 = 4,344.52 : x
  2. Step 2: Convert to fraction form
    6,998.72/9,658.24 = 4,344.52/x
  3. Step 3: Cross multiply
    6,998.72x = 9,658.24 × 4,344.52
  4. Step 4: Simplify right side
    6,998.72x = 41,960,416.84
  5. Step 5: Solve for x
    x = 41,960,416.84/6,998.72
  6. Step 6: Final answer
    x = 5,995.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.