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Finding the Fourth Proportional to 18,306.76, 27,450.30 and 5,823.40

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Solution

The fourth proportional to 18,306.76, 27,450.30 and 5,823.40 is: 8,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.76 : 27,450.30 = 5,823.40 : x
  2. Step 2: Convert to fraction form
    18,306.76/27,450.30 = 5,823.40/x
  3. Step 3: Cross multiply
    18,306.76x = 27,450.30 × 5,823.40
  4. Step 4: Simplify right side
    18,306.76x = 159,854,077.02
  5. Step 5: Solve for x
    x = 159,854,077.02/18,306.76
  6. Step 6: Final answer
    x = 8,731.97

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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.