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Finding the Fourth Proportional to 54,300.26, 74,934.26 and 33,079.53

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Solution

The fourth proportional to 54,300.26, 74,934.26 and 33,079.53 is: 45,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.26 : 74,934.26 = 33,079.53 : x
  2. Step 2: Convert to fraction form
    54,300.26/74,934.26 = 33,079.53/x
  3. Step 3: Cross multiply
    54,300.26x = 74,934.26 × 33,079.53
  4. Step 4: Simplify right side
    54,300.26x = 2,478,789,727.03
  5. Step 5: Solve for x
    x = 2,478,789,727.03/54,300.26
  6. Step 6: Final answer
    x = 45,649.68

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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.