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Finding the Fourth Proportional to 53,039.71, 73,193.71 and 29,165.97

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Solution

The fourth proportional to 53,039.71, 73,193.71 and 29,165.97 is: 40,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,039.71 : 73,193.71 = 29,165.97 : x
  2. Step 2: Convert to fraction form
    53,039.71/73,193.71 = 29,165.97/x
  3. Step 3: Cross multiply
    53,039.71x = 73,193.71 × 29,165.97
  4. Step 4: Simplify right side
    53,039.71x = 2,134,765,404.22
  5. Step 5: Solve for x
    x = 2,134,765,404.22/53,039.71
  6. Step 6: Final answer
    x = 40,248.44

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1.5x scale

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.