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Finding the Fourth Proportional to 15,174.92, 22,741.74 and 8,937.80

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Solution

The fourth proportional to 15,174.92, 22,741.74 and 8,937.80 is: 13,394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.92 : 22,741.74 = 8,937.80 : x
  2. Step 2: Convert to fraction form
    15,174.92/22,741.74 = 8,937.80/x
  3. Step 3: Cross multiply
    15,174.92x = 22,741.74 × 8,937.80
  4. Step 4: Simplify right side
    15,174.92x = 203,261,123.77
  5. Step 5: Solve for x
    x = 203,261,123.77/15,174.92
  6. Step 6: Final answer
    x = 13,394.54

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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.