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Finding the Fourth Proportional to 25,891.56, 35,737.74 and 16,949.16

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Solution

The fourth proportional to 25,891.56, 35,737.74 and 16,949.16 is: 23,394.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,891.56 : 35,737.74 = 16,949.16 : x
  2. Step 2: Convert to fraction form
    25,891.56/35,737.74 = 16,949.16/x
  3. Step 3: Cross multiply
    25,891.56x = 35,737.74 × 16,949.16
  4. Step 4: Simplify right side
    25,891.56x = 605,724,673.30
  5. Step 5: Solve for x
    x = 605,724,673.30/25,891.56
  6. Step 6: Final answer
    x = 23,394.68

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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.