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Finding the Fourth Proportional to 48,236, 66,573.60 and 30,333.68

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Solution

The fourth proportional to 48,236, 66,573.60 and 30,333.68 is: 41,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,236 : 66,573.60 = 30,333.68 : x
  2. Step 2: Convert to fraction form
    48,236/66,573.60 = 30,333.68/x
  3. Step 3: Cross multiply
    48,236x = 66,573.60 × 30,333.68
  4. Step 4: Simplify right side
    48,236x = 2,019,422,278.85
  5. Step 5: Solve for x
    x = 2,019,422,278.85/48,236
  6. Step 6: Final answer
    x = 41,865.46

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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.