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Finding the Fourth Proportional to 11,958.38, 16,502.08 and 6,653.08

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Solution

The fourth proportional to 11,958.38, 16,502.08 and 6,653.08 is: 9,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.38 : 16,502.08 = 6,653.08 : x
  2. Step 2: Convert to fraction form
    11,958.38/16,502.08 = 6,653.08/x
  3. Step 3: Cross multiply
    11,958.38x = 16,502.08 × 6,653.08
  4. Step 4: Simplify right side
    11,958.38x = 109,789,542.63
  5. Step 5: Solve for x
    x = 109,789,542.63/11,958.38
  6. Step 6: Final answer
    x = 9,180.98

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1.5x scale

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.