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Finding the Fourth Proportional to 2,793.50, 3,855.05 and 1,534.58

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Solution

The fourth proportional to 2,793.50, 3,855.05 and 1,534.58 is: 2,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.50 : 3,855.05 = 1,534.58 : x
  2. Step 2: Convert to fraction form
    2,793.50/3,855.05 = 1,534.58/x
  3. Step 3: Cross multiply
    2,793.50x = 3,855.05 × 1,534.58
  4. Step 4: Simplify right side
    2,793.50x = 5,915,875.89
  5. Step 5: Solve for x
    x = 5,915,875.89/2,793.50
  6. Step 6: Final answer
    x = 2,117.73

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