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Finding the Fourth Proportional to 53,376.50, 73,659.57 and 29,824.50

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Solution

The fourth proportional to 53,376.50, 73,659.57 and 29,824.50 is: 41,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,376.50 : 73,659.57 = 29,824.50 : x
  2. Step 2: Convert to fraction form
    53,376.50/73,659.57 = 29,824.50/x
  3. Step 3: Cross multiply
    53,376.50x = 73,659.57 × 29,824.50
  4. Step 4: Simplify right side
    53,376.50x = 2,196,859,845.47
  5. Step 5: Solve for x
    x = 2,196,859,845.47/53,376.50
  6. Step 6: Final answer
    x = 41,157.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.