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Finding the Fourth Proportional to 36,632.64, 54,955.04 and 12,933.48

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Solution

The fourth proportional to 36,632.64, 54,955.04 and 12,933.48 is: 19,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,632.64 : 54,955.04 = 12,933.48 : x
  2. Step 2: Convert to fraction form
    36,632.64/54,955.04 = 12,933.48/x
  3. Step 3: Cross multiply
    36,632.64x = 54,955.04 × 12,933.48
  4. Step 4: Simplify right side
    36,632.64x = 710,759,910.74
  5. Step 5: Solve for x
    x = 710,759,910.74/36,632.64
  6. Step 6: Final answer
    x = 19,402.37

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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.