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Finding the Fourth Proportional to 11,124.72, 16,687.08 and 3,727.08

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Solution

The fourth proportional to 11,124.72, 16,687.08 and 3,727.08 is: 5,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.72 : 16,687.08 = 3,727.08 : x
  2. Step 2: Convert to fraction form
    11,124.72/16,687.08 = 3,727.08/x
  3. Step 3: Cross multiply
    11,124.72x = 16,687.08 × 3,727.08
  4. Step 4: Simplify right side
    11,124.72x = 62,194,082.13
  5. Step 5: Solve for x
    x = 62,194,082.13/11,124.72
  6. Step 6: Final answer
    x = 5,590.62

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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.