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Finding the Fourth Proportional to 16,850.40, 25,276.56 and 7,488.32

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Solution

The fourth proportional to 16,850.40, 25,276.56 and 7,488.32 is: 11,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,850.40 : 25,276.56 = 7,488.32 : x
  2. Step 2: Convert to fraction form
    16,850.40/25,276.56 = 7,488.32/x
  3. Step 3: Cross multiply
    16,850.40x = 25,276.56 × 7,488.32
  4. Step 4: Simplify right side
    16,850.40x = 189,278,969.78
  5. Step 5: Solve for x
    x = 189,278,969.78/16,850.40
  6. Step 6: Final answer
    x = 11,232.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.