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Finding the Fourth Proportional to 65,924.65, 98,892.80 and 18,540.14

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Solution

The fourth proportional to 65,924.65, 98,892.80 and 18,540.14 is: 27,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,924.65 : 98,892.80 = 18,540.14 : x
  2. Step 2: Convert to fraction form
    65,924.65/98,892.80 = 18,540.14/x
  3. Step 3: Cross multiply
    65,924.65x = 98,892.80 × 18,540.14
  4. Step 4: Simplify right side
    65,924.65x = 1,833,486,264.29
  5. Step 5: Solve for x
    x = 1,833,486,264.29/65,924.65
  6. Step 6: Final answer
    x = 27,811.85

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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.