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Finding the Fourth Proportional to 53,629.62, 74,007.74 and 29,755.78

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Solution

The fourth proportional to 53,629.62, 74,007.74 and 29,755.78 is: 41,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,629.62 : 74,007.74 = 29,755.78 : x
  2. Step 2: Convert to fraction form
    53,629.62/74,007.74 = 29,755.78/x
  3. Step 3: Cross multiply
    53,629.62x = 74,007.74 × 29,755.78
  4. Step 4: Simplify right side
    53,629.62x = 2,202,157,659.70
  5. Step 5: Solve for x
    x = 2,202,157,659.70/53,629.62
  6. Step 6: Final answer
    x = 41,062.34

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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.