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Finding the Fourth Proportional to 64,788.16, 97,182.24 and 18,044.68

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Solution

The fourth proportional to 64,788.16, 97,182.24 and 18,044.68 is: 27,067.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,788.16 : 97,182.24 = 18,044.68 : x
  2. Step 2: Convert to fraction form
    64,788.16/97,182.24 = 18,044.68/x
  3. Step 3: Cross multiply
    64,788.16x = 97,182.24 × 18,044.68
  4. Step 4: Simplify right side
    64,788.16x = 1,753,622,422.48
  5. Step 5: Solve for x
    x = 1,753,622,422.48/64,788.16
  6. Step 6: Final answer
    x = 27,067.02

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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.