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Finding the Fourth Proportional to 35,012.10, 48,314.94 and 19,902.78

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Solution

The fourth proportional to 35,012.10, 48,314.94 and 19,902.78 is: 27,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,012.10 : 48,314.94 = 19,902.78 : x
  2. Step 2: Convert to fraction form
    35,012.10/48,314.94 = 19,902.78/x
  3. Step 3: Cross multiply
    35,012.10x = 48,314.94 × 19,902.78
  4. Step 4: Simplify right side
    35,012.10x = 961,601,621.53
  5. Step 5: Solve for x
    x = 961,601,621.53/35,012.10
  6. Step 6: Final answer
    x = 27,464.84

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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.