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Finding the Fourth Proportional to 28,297.96, 42,446.94 and 7,523.56

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Solution

The fourth proportional to 28,297.96, 42,446.94 and 7,523.56 is: 11,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.96 : 42,446.94 = 7,523.56 : x
  2. Step 2: Convert to fraction form
    28,297.96/42,446.94 = 7,523.56/x
  3. Step 3: Cross multiply
    28,297.96x = 42,446.94 × 7,523.56
  4. Step 4: Simplify right side
    28,297.96x = 319,352,099.91
  5. Step 5: Solve for x
    x = 319,352,099.91/28,297.96
  6. Step 6: Final answer
    x = 11,285.34

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Similar ratio
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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.