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Finding the Fourth Proportional to 36,502.70, 54,738.05 and 16,774.70

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Solution

The fourth proportional to 36,502.70, 54,738.05 and 16,774.70 is: 25,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,502.70 : 54,738.05 = 16,774.70 : x
  2. Step 2: Convert to fraction form
    36,502.70/54,738.05 = 16,774.70/x
  3. Step 3: Cross multiply
    36,502.70x = 54,738.05 × 16,774.70
  4. Step 4: Simplify right side
    36,502.70x = 918,214,367.34
  5. Step 5: Solve for x
    x = 918,214,367.34/36,502.70
  6. Step 6: Final answer
    x = 25,154.70

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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.