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Finding the Fourth Proportional to 18,023.45, 27,035.17 and 6,928.07

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Solution

The fourth proportional to 18,023.45, 27,035.17 and 6,928.07 is: 10,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.45 : 27,035.17 = 6,928.07 : x
  2. Step 2: Convert to fraction form
    18,023.45/27,035.17 = 6,928.07/x
  3. Step 3: Cross multiply
    18,023.45x = 27,035.17 × 6,928.07
  4. Step 4: Simplify right side
    18,023.45x = 187,301,397.73
  5. Step 5: Solve for x
    x = 187,301,397.73/18,023.45
  6. Step 6: Final answer
    x = 10,392.10

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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.