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Finding the Fourth Proportional to 48,969.36, 67,554 and 30,073.68

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Solution

The fourth proportional to 48,969.36, 67,554 and 30,073.68 is: 41,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,969.36 : 67,554 = 30,073.68 : x
  2. Step 2: Convert to fraction form
    48,969.36/67,554 = 30,073.68/x
  3. Step 3: Cross multiply
    48,969.36x = 67,554 × 30,073.68
  4. Step 4: Simplify right side
    48,969.36x = 2,031,597,378.72
  5. Step 5: Solve for x
    x = 2,031,597,378.72/48,969.36
  6. Step 6: Final answer
    x = 41,487.11

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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.