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Finding the Fourth Proportional to 36,972, 55,384.70 and 17,223.39

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Solution

The fourth proportional to 36,972, 55,384.70 and 17,223.39 is: 25,800.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972 : 55,384.70 = 17,223.39 : x
  2. Step 2: Convert to fraction form
    36,972/55,384.70 = 17,223.39/x
  3. Step 3: Cross multiply
    36,972x = 55,384.70 × 17,223.39
  4. Step 4: Simplify right side
    36,972x = 953,912,202.02
  5. Step 5: Solve for x
    x = 953,912,202.02/36,972
  6. Step 6: Final answer
    x = 25,800.94

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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.