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Finding the Fourth Proportional to 33,073.53, 45,640.15 and 19,644.42

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Solution

The fourth proportional to 33,073.53, 45,640.15 and 19,644.42 is: 27,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,073.53 : 45,640.15 = 19,644.42 : x
  2. Step 2: Convert to fraction form
    33,073.53/45,640.15 = 19,644.42/x
  3. Step 3: Cross multiply
    33,073.53x = 45,640.15 × 19,644.42
  4. Step 4: Simplify right side
    33,073.53x = 896,574,275.46
  5. Step 5: Solve for x
    x = 896,574,275.46/33,073.53
  6. Step 6: Final answer
    x = 27,108.51

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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.