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Finding the Fourth Proportional to 54,327.52, 74,957.52 and 31,351.52

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Solution

The fourth proportional to 54,327.52, 74,957.52 and 31,351.52 is: 43,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.52 : 74,957.52 = 31,351.52 : x
  2. Step 2: Convert to fraction form
    54,327.52/74,957.52 = 31,351.52/x
  3. Step 3: Cross multiply
    54,327.52x = 74,957.52 × 31,351.52
  4. Step 4: Simplify right side
    54,327.52x = 2,350,032,187.43
  5. Step 5: Solve for x
    x = 2,350,032,187.43/54,327.52
  6. Step 6: Final answer
    x = 43,256.75

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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.