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Finding the Fourth Proportional to 34,793.69, 48,015.60 and 18,878.46

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Solution

The fourth proportional to 34,793.69, 48,015.60 and 18,878.46 is: 26,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,793.69 : 48,015.60 = 18,878.46 : x
  2. Step 2: Convert to fraction form
    34,793.69/48,015.60 = 18,878.46/x
  3. Step 3: Cross multiply
    34,793.69x = 48,015.60 × 18,878.46
  4. Step 4: Simplify right side
    34,793.69x = 906,460,343.90
  5. Step 5: Solve for x
    x = 906,460,343.90/34,793.69
  6. Step 6: Final answer
    x = 26,052.43

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1.5x scale

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.