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Finding the Fourth Proportional to 18,073.37, 27,111.11 and 6,980.11

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Solution

The fourth proportional to 18,073.37, 27,111.11 and 6,980.11 is: 10,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.37 : 27,111.11 = 6,980.11 : x
  2. Step 2: Convert to fraction form
    18,073.37/27,111.11 = 6,980.11/x
  3. Step 3: Cross multiply
    18,073.37x = 27,111.11 × 6,980.11
  4. Step 4: Simplify right side
    18,073.37x = 189,238,530.02
  5. Step 5: Solve for x
    x = 189,238,530.02/18,073.37
  6. Step 6: Final answer
    x = 10,470.57

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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.