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Finding the Fourth Proportional to 53,265, 73,502.81 and 29,387.01

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Solution

The fourth proportional to 53,265, 73,502.81 and 29,387.01 is: 40,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,265 : 73,502.81 = 29,387.01 : x
  2. Step 2: Convert to fraction form
    53,265/73,502.81 = 29,387.01/x
  3. Step 3: Cross multiply
    53,265x = 73,502.81 × 29,387.01
  4. Step 4: Simplify right side
    53,265x = 2,160,027,665.56
  5. Step 5: Solve for x
    x = 2,160,027,665.56/53,265
  6. Step 6: Final answer
    x = 40,552.48

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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.