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Finding the Fourth Proportional to 34,793.92, 48,015.40 and 18,878.04

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Solution

The fourth proportional to 34,793.92, 48,015.40 and 18,878.04 is: 26,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,793.92 : 48,015.40 = 18,878.04 : x
  2. Step 2: Convert to fraction form
    34,793.92/48,015.40 = 18,878.04/x
  3. Step 3: Cross multiply
    34,793.92x = 48,015.40 × 18,878.04
  4. Step 4: Simplify right side
    34,793.92x = 906,436,641.82
  5. Step 5: Solve for x
    x = 906,436,641.82/34,793.92
  6. Step 6: Final answer
    x = 26,051.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.