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Finding the Fourth Proportional to 3,484.50, 4,803.48 and 2,225.40

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Solution

The fourth proportional to 3,484.50, 4,803.48 and 2,225.40 is: 3,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.50 : 4,803.48 = 2,225.40 : x
  2. Step 2: Convert to fraction form
    3,484.50/4,803.48 = 2,225.40/x
  3. Step 3: Cross multiply
    3,484.50x = 4,803.48 × 2,225.40
  4. Step 4: Simplify right side
    3,484.50x = 10,689,664.39
  5. Step 5: Solve for x
    x = 10,689,664.39/3,484.50
  6. Step 6: Final answer
    x = 3,067.78

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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.