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Finding the Fourth Proportional to 33,143.14, 45,737.52 and 18,239.14

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Solution

The fourth proportional to 33,143.14, 45,737.52 and 18,239.14 is: 25,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,143.14 : 45,737.52 = 18,239.14 : x
  2. Step 2: Convert to fraction form
    33,143.14/45,737.52 = 18,239.14/x
  3. Step 3: Cross multiply
    33,143.14x = 45,737.52 × 18,239.14
  4. Step 4: Simplify right side
    33,143.14x = 834,213,030.53
  5. Step 5: Solve for x
    x = 834,213,030.53/33,143.14
  6. Step 6: Final answer
    x = 25,170.01

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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.