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Finding the Fourth Proportional to 22,167.79, 33,244.53 and 7,372.78

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Solution

The fourth proportional to 22,167.79, 33,244.53 and 7,372.78 is: 11,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.79 : 33,244.53 = 7,372.78 : x
  2. Step 2: Convert to fraction form
    22,167.79/33,244.53 = 7,372.78/x
  3. Step 3: Cross multiply
    22,167.79x = 33,244.53 × 7,372.78
  4. Step 4: Simplify right side
    22,167.79x = 245,104,605.89
  5. Step 5: Solve for x
    x = 245,104,605.89/22,167.79
  6. Step 6: Final answer
    x = 11,056.79

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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.