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Finding the Fourth Proportional to 25,237.92, 37,837.92 and 8,587.56

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Solution

The fourth proportional to 25,237.92, 37,837.92 and 8,587.56 is: 12,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,237.92 : 37,837.92 = 8,587.56 : x
  2. Step 2: Convert to fraction form
    25,237.92/37,837.92 = 8,587.56/x
  3. Step 3: Cross multiply
    25,237.92x = 37,837.92 × 8,587.56
  4. Step 4: Simplify right side
    25,237.92x = 324,935,408.28
  5. Step 5: Solve for x
    x = 324,935,408.28/25,237.92
  6. Step 6: Final answer
    x = 12,874.89

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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.