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Finding the Fourth Proportional to 48,894.78, 67,472.46 and 30,028.26

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Solution

The fourth proportional to 48,894.78, 67,472.46 and 30,028.26 is: 41,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,894.78 : 67,472.46 = 30,028.26 : x
  2. Step 2: Convert to fraction form
    48,894.78/67,472.46 = 30,028.26/x
  3. Step 3: Cross multiply
    48,894.78x = 67,472.46 × 30,028.26
  4. Step 4: Simplify right side
    48,894.78x = 2,026,080,571.72
  5. Step 5: Solve for x
    x = 2,026,080,571.72/48,894.78
  6. Step 6: Final answer
    x = 41,437.56

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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.