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Finding the Fourth Proportional to 48,227.42, 66,531.62 and 31,237.31

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Solution

The fourth proportional to 48,227.42, 66,531.62 and 31,237.31 is: 43,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,227.42 : 66,531.62 = 31,237.31 : x
  2. Step 2: Convert to fraction form
    48,227.42/66,531.62 = 31,237.31/x
  3. Step 3: Cross multiply
    48,227.42x = 66,531.62 × 31,237.31
  4. Step 4: Simplify right side
    48,227.42x = 2,078,268,349.90
  5. Step 5: Solve for x
    x = 2,078,268,349.90/48,227.42
  6. Step 6: Final answer
    x = 43,093.09

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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.