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Finding the Fourth Proportional to 36,881.52, 55,322.80 and 9,179.52

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Solution

The fourth proportional to 36,881.52, 55,322.80 and 9,179.52 is: 13,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,881.52 : 55,322.80 = 9,179.52 : x
  2. Step 2: Convert to fraction form
    36,881.52/55,322.80 = 9,179.52/x
  3. Step 3: Cross multiply
    36,881.52x = 55,322.80 × 9,179.52
  4. Step 4: Simplify right side
    36,881.52x = 507,836,749.06
  5. Step 5: Solve for x
    x = 507,836,749.06/36,881.52
  6. Step 6: Final answer
    x = 13,769.41

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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.