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Finding the Fourth Proportional to 21,610.34, 29,822.22 and 11,674.34

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Solution

The fourth proportional to 21,610.34, 29,822.22 and 11,674.34 is: 16,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.34 : 29,822.22 = 11,674.34 : x
  2. Step 2: Convert to fraction form
    21,610.34/29,822.22 = 11,674.34/x
  3. Step 3: Cross multiply
    21,610.34x = 29,822.22 × 11,674.34
  4. Step 4: Simplify right side
    21,610.34x = 348,154,735.83
  5. Step 5: Solve for x
    x = 348,154,735.83/21,610.34
  6. Step 6: Final answer
    x = 16,110.56

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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.