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Finding the Fourth Proportional to 7,192.96, 10,808.96 and 3,908.48

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Solution

The fourth proportional to 7,192.96, 10,808.96 and 3,908.48 is: 5,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.96 : 10,808.96 = 3,908.48 : x
  2. Step 2: Convert to fraction form
    7,192.96/10,808.96 = 3,908.48/x
  3. Step 3: Cross multiply
    7,192.96x = 10,808.96 × 3,908.48
  4. Step 4: Simplify right side
    7,192.96x = 42,246,603.98
  5. Step 5: Solve for x
    x = 42,246,603.98/7,192.96
  6. Step 6: Final answer
    x = 5,873.33

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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.