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Finding the Fourth Proportional to 53,053.48, 73,213.22 and 29,180.48

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Solution

The fourth proportional to 53,053.48, 73,213.22 and 29,180.48 is: 40,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053.48 : 73,213.22 = 29,180.48 : x
  2. Step 2: Convert to fraction form
    53,053.48/73,213.22 = 29,180.48/x
  3. Step 3: Cross multiply
    53,053.48x = 73,213.22 × 29,180.48
  4. Step 4: Simplify right side
    53,053.48x = 2,136,396,756.04
  5. Step 5: Solve for x
    x = 2,136,396,756.04/53,053.48
  6. Step 6: Final answer
    x = 40,268.74

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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.