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Finding the Fourth Proportional to 12,067.32, 16,652.52 and 6,762

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Solution

The fourth proportional to 12,067.32, 16,652.52 and 6,762 is: 9,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.32 : 16,652.52 = 6,762 : x
  2. Step 2: Convert to fraction form
    12,067.32/16,652.52 = 6,762/x
  3. Step 3: Cross multiply
    12,067.32x = 16,652.52 × 6,762
  4. Step 4: Simplify right side
    12,067.32x = 112,604,340.24
  5. Step 5: Solve for x
    x = 112,604,340.24/12,067.32
  6. Step 6: Final answer
    x = 9,331.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.