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Finding the Fourth Proportional to 36,451.48, 54,677.22 and 8,749.48

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Solution

The fourth proportional to 36,451.48, 54,677.22 and 8,749.48 is: 13,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,451.48 : 54,677.22 = 8,749.48 : x
  2. Step 2: Convert to fraction form
    36,451.48/54,677.22 = 8,749.48/x
  3. Step 3: Cross multiply
    36,451.48x = 54,677.22 × 8,749.48
  4. Step 4: Simplify right side
    36,451.48x = 478,397,264.72
  5. Step 5: Solve for x
    x = 478,397,264.72/36,451.48
  6. Step 6: Final answer
    x = 13,124.22

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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.