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Finding the Fourth Proportional to 7,927.66, 11,892.12 and 2,662.69

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Solution

The fourth proportional to 7,927.66, 11,892.12 and 2,662.69 is: 3,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.66 : 11,892.12 = 2,662.69 : x
  2. Step 2: Convert to fraction form
    7,927.66/11,892.12 = 2,662.69/x
  3. Step 3: Cross multiply
    7,927.66x = 11,892.12 × 2,662.69
  4. Step 4: Simplify right side
    7,927.66x = 31,665,029.00
  5. Step 5: Solve for x
    x = 31,665,029.00/7,927.66
  6. Step 6: Final answer
    x = 3,994.25

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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.