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Finding the Fourth Proportional to 48,754, 67,278.90 and 27,245.08

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Solution

The fourth proportional to 48,754, 67,278.90 and 27,245.08 is: 37,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,754 : 67,278.90 = 27,245.08 : x
  2. Step 2: Convert to fraction form
    48,754/67,278.90 = 27,245.08/x
  3. Step 3: Cross multiply
    48,754x = 67,278.90 × 27,245.08
  4. Step 4: Simplify right side
    48,754x = 1,833,019,012.81
  5. Step 5: Solve for x
    x = 1,833,019,012.81/48,754
  6. Step 6: Final answer
    x = 37,597.31

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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.