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Finding the Fourth Proportional to 18,601.61, 27,895.44 and 7,502.24

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Solution

The fourth proportional to 18,601.61, 27,895.44 and 7,502.24 is: 11,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.61 : 27,895.44 = 7,502.24 : x
  2. Step 2: Convert to fraction form
    18,601.61/27,895.44 = 7,502.24/x
  3. Step 3: Cross multiply
    18,601.61x = 27,895.44 × 7,502.24
  4. Step 4: Simplify right side
    18,601.61x = 209,278,383.66
  5. Step 5: Solve for x
    x = 209,278,383.66/18,601.61
  6. Step 6: Final answer
    x = 11,250.56

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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.