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Finding the Fourth Proportional to 48,679.84, 73,026.92 and 15,392.35

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Solution

The fourth proportional to 48,679.84, 73,026.92 and 15,392.35 is: 23,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.84 : 73,026.92 = 15,392.35 : x
  2. Step 2: Convert to fraction form
    48,679.84/73,026.92 = 15,392.35/x
  3. Step 3: Cross multiply
    48,679.84x = 73,026.92 × 15,392.35
  4. Step 4: Simplify right side
    48,679.84x = 1,124,055,912.06
  5. Step 5: Solve for x
    x = 1,124,055,912.06/48,679.84
  6. Step 6: Final answer
    x = 23,090.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.