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Finding the Fourth Proportional to 18,328.66, 27,479.53 and 5,841.49

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Solution

The fourth proportional to 18,328.66, 27,479.53 and 5,841.49 is: 8,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.66 : 27,479.53 = 5,841.49 : x
  2. Step 2: Convert to fraction form
    18,328.66/27,479.53 = 5,841.49/x
  3. Step 3: Cross multiply
    18,328.66x = 27,479.53 × 5,841.49
  4. Step 4: Simplify right side
    18,328.66x = 160,521,399.70
  5. Step 5: Solve for x
    x = 160,521,399.70/18,328.66
  6. Step 6: Final answer
    x = 8,757.95

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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.