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Finding the Fourth Proportional to 18,604.35, 27,910.08 and 6,127.99

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Solution

The fourth proportional to 18,604.35, 27,910.08 and 6,127.99 is: 9,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.35 : 27,910.08 = 6,127.99 : x
  2. Step 2: Convert to fraction form
    18,604.35/27,910.08 = 6,127.99/x
  3. Step 3: Cross multiply
    18,604.35x = 27,910.08 × 6,127.99
  4. Step 4: Simplify right side
    18,604.35x = 171,032,621.36
  5. Step 5: Solve for x
    x = 171,032,621.36/18,604.35
  6. Step 6: Final answer
    x = 9,193.15

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1.5x scale

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.