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Finding the Fourth Proportional to 11,958.08, 16,502.76 and 6,653

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Solution

The fourth proportional to 11,958.08, 16,502.76 and 6,653 is: 9,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.08 : 16,502.76 = 6,653 : x
  2. Step 2: Convert to fraction form
    11,958.08/16,502.76 = 6,653/x
  3. Step 3: Cross multiply
    11,958.08x = 16,502.76 × 6,653
  4. Step 4: Simplify right side
    11,958.08x = 109,792,862.28
  5. Step 5: Solve for x
    x = 109,792,862.28/11,958.08
  6. Step 6: Final answer
    x = 9,181.48

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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.