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Finding the Fourth Proportional to 21,954.75, 32,892.48 and 18,466.48

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Solution

The fourth proportional to 21,954.75, 32,892.48 and 18,466.48 is: 27,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.75 : 32,892.48 = 18,466.48 : x
  2. Step 2: Convert to fraction form
    21,954.75/32,892.48 = 18,466.48/x
  3. Step 3: Cross multiply
    21,954.75x = 32,892.48 × 18,466.48
  4. Step 4: Simplify right side
    21,954.75x = 607,408,365.19
  5. Step 5: Solve for x
    x = 607,408,365.19/21,954.75
  6. Step 6: Final answer
    x = 27,666.38

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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.