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Finding the Fourth Proportional to 45,019.44, 67,509.72 and 17,298

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Solution

The fourth proportional to 45,019.44, 67,509.72 and 17,298 is: 25,939.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019.44 : 67,509.72 = 17,298 : x
  2. Step 2: Convert to fraction form
    45,019.44/67,509.72 = 17,298/x
  3. Step 3: Cross multiply
    45,019.44x = 67,509.72 × 17,298
  4. Step 4: Simplify right side
    45,019.44x = 1,167,783,136.56
  5. Step 5: Solve for x
    x = 1,167,783,136.56/45,019.44
  6. Step 6: Final answer
    x = 25,939.53

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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.