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Finding the Fourth Proportional to 65,795.52, 98,699.56 and 18,410.64

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Solution

The fourth proportional to 65,795.52, 98,699.56 and 18,410.64 is: 27,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,795.52 : 98,699.56 = 18,410.64 : x
  2. Step 2: Convert to fraction form
    65,795.52/98,699.56 = 18,410.64/x
  3. Step 3: Cross multiply
    65,795.52x = 98,699.56 × 18,410.64
  4. Step 4: Simplify right side
    65,795.52x = 1,817,122,067.32
  5. Step 5: Solve for x
    x = 1,817,122,067.32/65,795.52
  6. Step 6: Final answer
    x = 27,617.72

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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.