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Finding the Fourth Proportional to 53,392.52, 73,678.02 and 29,518.97

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Solution

The fourth proportional to 53,392.52, 73,678.02 and 29,518.97 is: 40,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,392.52 : 73,678.02 = 29,518.97 : x
  2. Step 2: Convert to fraction form
    53,392.52/73,678.02 = 29,518.97/x
  3. Step 3: Cross multiply
    53,392.52x = 73,678.02 × 29,518.97
  4. Step 4: Simplify right side
    53,392.52x = 2,174,899,262.04
  5. Step 5: Solve for x
    x = 2,174,899,262.04/53,392.52
  6. Step 6: Final answer
    x = 40,734.16

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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.