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Finding the Fourth Proportional to 27,718.72, 41,598 and 11,069.20

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Solution

The fourth proportional to 27,718.72, 41,598 and 11,069.20 is: 16,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.72 : 41,598 = 11,069.20 : x
  2. Step 2: Convert to fraction form
    27,718.72/41,598 = 11,069.20/x
  3. Step 3: Cross multiply
    27,718.72x = 41,598 × 11,069.20
  4. Step 4: Simplify right side
    27,718.72x = 460,456,581.60
  5. Step 5: Solve for x
    x = 460,456,581.60/27,718.72
  6. Step 6: Final answer
    x = 16,611.75

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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.