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Finding the Fourth Proportional to 13,788.84, 19,027.44 and 8,753.88

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Solution

The fourth proportional to 13,788.84, 19,027.44 and 8,753.88 is: 12,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.84 : 19,027.44 = 8,753.88 : x
  2. Step 2: Convert to fraction form
    13,788.84/19,027.44 = 8,753.88/x
  3. Step 3: Cross multiply
    13,788.84x = 19,027.44 × 8,753.88
  4. Step 4: Simplify right side
    13,788.84x = 166,563,926.47
  5. Step 5: Solve for x
    x = 166,563,926.47/13,788.84
  6. Step 6: Final answer
    x = 12,079.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.