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Finding the Fourth Proportional to 22,906.67, 31,610.67 and 13,475.84

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Solution

The fourth proportional to 22,906.67, 31,610.67 and 13,475.84 is: 18,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906.67 : 31,610.67 = 13,475.84 : x
  2. Step 2: Convert to fraction form
    22,906.67/31,610.67 = 13,475.84/x
  3. Step 3: Cross multiply
    22,906.67x = 31,610.67 × 13,475.84
  4. Step 4: Simplify right side
    22,906.67x = 425,980,331.21
  5. Step 5: Solve for x
    x = 425,980,331.21/22,906.67
  6. Step 6: Final answer
    x = 18,596.34

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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.