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Finding the Fourth Proportional to 65,797.53, 98,695.36 and 15,877.21

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Solution

The fourth proportional to 65,797.53, 98,695.36 and 15,877.21 is: 23,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,797.53 : 98,695.36 = 15,877.21 : x
  2. Step 2: Convert to fraction form
    65,797.53/98,695.36 = 15,877.21/x
  3. Step 3: Cross multiply
    65,797.53x = 98,695.36 × 15,877.21
  4. Step 4: Simplify right side
    65,797.53x = 1,567,006,956.75
  5. Step 5: Solve for x
    x = 1,567,006,956.75/65,797.53
  6. Step 6: Final answer
    x = 23,815.59

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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.