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Finding the Fourth Proportional to 25,153.53, 37,734.21 and 7,619.19

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Solution

The fourth proportional to 25,153.53, 37,734.21 and 7,619.19 is: 11,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.53 : 37,734.21 = 7,619.19 : x
  2. Step 2: Convert to fraction form
    25,153.53/37,734.21 = 7,619.19/x
  3. Step 3: Cross multiply
    25,153.53x = 37,734.21 × 7,619.19
  4. Step 4: Simplify right side
    25,153.53x = 287,504,115.49
  5. Step 5: Solve for x
    x = 287,504,115.49/25,153.53
  6. Step 6: Final answer
    x = 11,429.97

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1.5x scale

Why These Related Problems?

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