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Finding the Fourth Proportional to 87,832.72, 131,752.72 and 25,503.22

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Solution

The fourth proportional to 87,832.72, 131,752.72 and 25,503.22 is: 38,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.72 : 131,752.72 = 25,503.22 : x
  2. Step 2: Convert to fraction form
    87,832.72/131,752.72 = 25,503.22/x
  3. Step 3: Cross multiply
    87,832.72x = 131,752.72 × 25,503.22
  4. Step 4: Simplify right side
    87,832.72x = 3,360,118,667.52
  5. Step 5: Solve for x
    x = 3,360,118,667.52/87,832.72
  6. Step 6: Final answer
    x = 38,255.89

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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.