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Finding the Fourth Proportional to 32,067.76, 48,108.48 and 18,929.92

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Solution

The fourth proportional to 32,067.76, 48,108.48 and 18,929.92 is: 28,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,067.76 : 48,108.48 = 18,929.92 : x
  2. Step 2: Convert to fraction form
    32,067.76/48,108.48 = 18,929.92/x
  3. Step 3: Cross multiply
    32,067.76x = 48,108.48 × 18,929.92
  4. Step 4: Simplify right side
    32,067.76x = 910,689,677.72
  5. Step 5: Solve for x
    x = 910,689,677.72/32,067.76
  6. Step 6: Final answer
    x = 28,398.92

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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.