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Finding the Fourth Proportional to 33,040, 45,596.16 and 18,136.96

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Solution

The fourth proportional to 33,040, 45,596.16 and 18,136.96 is: 25,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,040 : 45,596.16 = 18,136.96 : x
  2. Step 2: Convert to fraction form
    33,040/45,596.16 = 18,136.96/x
  3. Step 3: Cross multiply
    33,040x = 45,596.16 × 18,136.96
  4. Step 4: Simplify right side
    33,040x = 826,975,730.07
  5. Step 5: Solve for x
    x = 826,975,730.07/33,040
  6. Step 6: Final answer
    x = 25,029.53

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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.