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Finding the Fourth Proportional to 8,036.36, 12,044.28 and 6,992

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Solution

The fourth proportional to 8,036.36, 12,044.28 and 6,992 is: 10,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,036.36 : 12,044.28 = 6,992 : x
  2. Step 2: Convert to fraction form
    8,036.36/12,044.28 = 6,992/x
  3. Step 3: Cross multiply
    8,036.36x = 12,044.28 × 6,992
  4. Step 4: Simplify right side
    8,036.36x = 84,213,605.76
  5. Step 5: Solve for x
    x = 84,213,605.76/8,036.36
  6. Step 6: Final answer
    x = 10,479.07

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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.