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Finding the Fourth Proportional to 53,112.92, 73,295.43 and 29,240

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Solution

The fourth proportional to 53,112.92, 73,295.43 and 29,240 is: 40,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.92 : 73,295.43 = 29,240 : x
  2. Step 2: Convert to fraction form
    53,112.92/73,295.43 = 29,240/x
  3. Step 3: Cross multiply
    53,112.92x = 73,295.43 × 29,240
  4. Step 4: Simplify right side
    53,112.92x = 2,143,158,373.20
  5. Step 5: Solve for x
    x = 2,143,158,373.20/53,112.92
  6. Step 6: Final answer
    x = 40,350.98

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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.