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Finding the Fourth Proportional to 33,324.31, 45,983.04 and 21,403.81

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Solution

The fourth proportional to 33,324.31, 45,983.04 and 21,403.81 is: 29,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,324.31 : 45,983.04 = 21,403.81 : x
  2. Step 2: Convert to fraction form
    33,324.31/45,983.04 = 21,403.81/x
  3. Step 3: Cross multiply
    33,324.31x = 45,983.04 × 21,403.81
  4. Step 4: Simplify right side
    33,324.31x = 984,212,021.47
  5. Step 5: Solve for x
    x = 984,212,021.47/33,324.31
  6. Step 6: Final answer
    x = 29,534.36

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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.