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Finding the Fourth Proportional to 6,992.92, 10,486.14 and 2,607.22

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Solution

The fourth proportional to 6,992.92, 10,486.14 and 2,607.22 is: 3,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.92 : 10,486.14 = 2,607.22 : x
  2. Step 2: Convert to fraction form
    6,992.92/10,486.14 = 2,607.22/x
  3. Step 3: Cross multiply
    6,992.92x = 10,486.14 × 2,607.22
  4. Step 4: Simplify right side
    6,992.92x = 27,339,673.93
  5. Step 5: Solve for x
    x = 27,339,673.93/6,992.92
  6. Step 6: Final answer
    x = 3,909.62

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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.