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Finding the Fourth Proportional to 48,496.52, 66,943.32 and 31,729.52

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Solution

The fourth proportional to 48,496.52, 66,943.32 and 31,729.52 is: 43,798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,496.52 : 66,943.32 = 31,729.52 : x
  2. Step 2: Convert to fraction form
    48,496.52/66,943.32 = 31,729.52/x
  3. Step 3: Cross multiply
    48,496.52x = 66,943.32 × 31,729.52
  4. Step 4: Simplify right side
    48,496.52x = 2,124,079,410.81
  5. Step 5: Solve for x
    x = 2,124,079,410.81/48,496.52
  6. Step 6: Final answer
    x = 43,798.59

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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.