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Finding the Fourth Proportional to 18,026.76, 27,040.89 and 6,188.67

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Solution

The fourth proportional to 18,026.76, 27,040.89 and 6,188.67 is: 9,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.76 : 27,040.89 = 6,188.67 : x
  2. Step 2: Convert to fraction form
    18,026.76/27,040.89 = 6,188.67/x
  3. Step 3: Cross multiply
    18,026.76x = 27,040.89 × 6,188.67
  4. Step 4: Simplify right side
    18,026.76x = 167,347,144.72
  5. Step 5: Solve for x
    x = 167,347,144.72/18,026.76
  6. Step 6: Final answer
    x = 9,283.26

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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.