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Finding the Fourth Proportional to 18,246.70, 27,370.05 and 11,334.70

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Solution

The fourth proportional to 18,246.70, 27,370.05 and 11,334.70 is: 17,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.70 : 27,370.05 = 11,334.70 : x
  2. Step 2: Convert to fraction form
    18,246.70/27,370.05 = 11,334.70/x
  3. Step 3: Cross multiply
    18,246.70x = 27,370.05 × 11,334.70
  4. Step 4: Simplify right side
    18,246.70x = 310,231,305.74
  5. Step 5: Solve for x
    x = 310,231,305.74/18,246.70
  6. Step 6: Final answer
    x = 17,002.05

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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.