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Finding the Fourth Proportional to 21,663.93, 32,553.02 and 11,676.12

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Solution

The fourth proportional to 21,663.93, 32,553.02 and 11,676.12 is: 17,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.93 : 32,553.02 = 11,676.12 : x
  2. Step 2: Convert to fraction form
    21,663.93/32,553.02 = 11,676.12/x
  3. Step 3: Cross multiply
    21,663.93x = 32,553.02 × 11,676.12
  4. Step 4: Simplify right side
    21,663.93x = 380,092,967.88
  5. Step 5: Solve for x
    x = 380,092,967.88/21,663.93
  6. Step 6: Final answer
    x = 17,544.97

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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.