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Finding the Fourth Proportional to 48,687.93, 73,042.83 and 15,409.98

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Solution

The fourth proportional to 48,687.93, 73,042.83 and 15,409.98 is: 23,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.93 : 73,042.83 = 15,409.98 : x
  2. Step 2: Convert to fraction form
    48,687.93/73,042.83 = 15,409.98/x
  3. Step 3: Cross multiply
    48,687.93x = 73,042.83 × 15,409.98
  4. Step 4: Simplify right side
    48,687.93x = 1,125,588,549.44
  5. Step 5: Solve for x
    x = 1,125,588,549.44/48,687.93
  6. Step 6: Final answer
    x = 23,118.43

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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.