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Finding the Fourth Proportional to 18,553.36, 27,833.68 and 6,866.68

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Solution

The fourth proportional to 18,553.36, 27,833.68 and 6,866.68 is: 10,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.36 : 27,833.68 = 6,866.68 : x
  2. Step 2: Convert to fraction form
    18,553.36/27,833.68 = 6,866.68/x
  3. Step 3: Cross multiply
    18,553.36x = 27,833.68 × 6,866.68
  4. Step 4: Simplify right side
    18,553.36x = 191,124,973.78
  5. Step 5: Solve for x
    x = 191,124,973.78/18,553.36
  6. Step 6: Final answer
    x = 10,301.37

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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.