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Finding the Fourth Proportional to 18,607.17, 27,914.60 and 6,127.94

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Solution

The fourth proportional to 18,607.17, 27,914.60 and 6,127.94 is: 9,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.17 : 27,914.60 = 6,127.94 : x
  2. Step 2: Convert to fraction form
    18,607.17/27,914.60 = 6,127.94/x
  3. Step 3: Cross multiply
    18,607.17x = 27,914.60 × 6,127.94
  4. Step 4: Simplify right side
    18,607.17x = 171,058,993.92
  5. Step 5: Solve for x
    x = 171,058,993.92/18,607.17
  6. Step 6: Final answer
    x = 9,193.18

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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.