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Finding the Fourth Proportional to 7,330.08, 10,992.96 and 2,712

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Solution

The fourth proportional to 7,330.08, 10,992.96 and 2,712 is: 4,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.08 : 10,992.96 = 2,712 : x
  2. Step 2: Convert to fraction form
    7,330.08/10,992.96 = 2,712/x
  3. Step 3: Cross multiply
    7,330.08x = 10,992.96 × 2,712
  4. Step 4: Simplify right side
    7,330.08x = 29,812,907.52
  5. Step 5: Solve for x
    x = 29,812,907.52/7,330.08
  6. Step 6: Final answer
    x = 4,067.20

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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.