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Finding the Fourth Proportional to 27,885.30, 41,795.55 and 11,237.10

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Solution

The fourth proportional to 27,885.30, 41,795.55 and 11,237.10 is: 16,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.30 : 41,795.55 = 11,237.10 : x
  2. Step 2: Convert to fraction form
    27,885.30/41,795.55 = 11,237.10/x
  3. Step 3: Cross multiply
    27,885.30x = 41,795.55 × 11,237.10
  4. Step 4: Simplify right side
    27,885.30x = 469,660,774.91
  5. Step 5: Solve for x
    x = 469,660,774.91/27,885.30
  6. Step 6: Final answer
    x = 16,842.59

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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.