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Finding the Fourth Proportional to 19,793.68, 27,315.59 and 10,842.03

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Solution

The fourth proportional to 19,793.68, 27,315.59 and 10,842.03 is: 14,962.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.68 : 27,315.59 = 10,842.03 : x
  2. Step 2: Convert to fraction form
    19,793.68/27,315.59 = 10,842.03/x
  3. Step 3: Cross multiply
    19,793.68x = 27,315.59 × 10,842.03
  4. Step 4: Simplify right side
    19,793.68x = 296,156,446.25
  5. Step 5: Solve for x
    x = 296,156,446.25/19,793.68
  6. Step 6: Final answer
    x = 14,962.17

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