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Finding the Fourth Proportional to 36,750.52, 55,125.78 and 9,048.52

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Solution

The fourth proportional to 36,750.52, 55,125.78 and 9,048.52 is: 13,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,750.52 : 55,125.78 = 9,048.52 : x
  2. Step 2: Convert to fraction form
    36,750.52/55,125.78 = 9,048.52/x
  3. Step 3: Cross multiply
    36,750.52x = 55,125.78 × 9,048.52
  4. Step 4: Simplify right side
    36,750.52x = 498,806,722.85
  5. Step 5: Solve for x
    x = 498,806,722.85/36,750.52
  6. Step 6: Final answer
    x = 13,572.78

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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.