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Finding the Fourth Proportional to 27,588.28, 41,384.85 and 8,869.99

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Solution

The fourth proportional to 27,588.28, 41,384.85 and 8,869.99 is: 13,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.28 : 41,384.85 = 8,869.99 : x
  2. Step 2: Convert to fraction form
    27,588.28/41,384.85 = 8,869.99/x
  3. Step 3: Cross multiply
    27,588.28x = 41,384.85 × 8,869.99
  4. Step 4: Simplify right side
    27,588.28x = 367,083,205.65
  5. Step 5: Solve for x
    x = 367,083,205.65/27,588.28
  6. Step 6: Final answer
    x = 13,305.77

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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.