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Finding the Fourth Proportional to 22,520.44, 33,779.98 and 9,372.47

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Solution

The fourth proportional to 22,520.44, 33,779.98 and 9,372.47 is: 14,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.44 : 33,779.98 = 9,372.47 : x
  2. Step 2: Convert to fraction form
    22,520.44/33,779.98 = 9,372.47/x
  3. Step 3: Cross multiply
    22,520.44x = 33,779.98 × 9,372.47
  4. Step 4: Simplify right side
    22,520.44x = 316,601,910.17
  5. Step 5: Solve for x
    x = 316,601,910.17/22,520.44
  6. Step 6: Final answer
    x = 14,058.43

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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.