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Finding the Fourth Proportional to 53,322.52, 73,583.67 and 29,448.69

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Solution

The fourth proportional to 53,322.52, 73,583.67 and 29,448.69 is: 40,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.52 : 73,583.67 = 29,448.69 : x
  2. Step 2: Convert to fraction form
    53,322.52/73,583.67 = 29,448.69/x
  3. Step 3: Cross multiply
    53,322.52x = 73,583.67 × 29,448.69
  4. Step 4: Simplify right side
    53,322.52x = 2,166,942,318.97
  5. Step 5: Solve for x
    x = 2,166,942,318.97/53,322.52
  6. Step 6: Final answer
    x = 40,638.41

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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.