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Finding the Fourth Proportional to 16,709.44, 25,060.16 and 5,019.84

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Solution

The fourth proportional to 16,709.44, 25,060.16 and 5,019.84 is: 7,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.44 : 25,060.16 = 5,019.84 : x
  2. Step 2: Convert to fraction form
    16,709.44/25,060.16 = 5,019.84/x
  3. Step 3: Cross multiply
    16,709.44x = 25,060.16 × 5,019.84
  4. Step 4: Simplify right side
    16,709.44x = 125,797,993.57
  5. Step 5: Solve for x
    x = 125,797,993.57/16,709.44
  6. Step 6: Final answer
    x = 7,528.56

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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.