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Finding the Fourth Proportional to 18,343.62, 27,515.52 and 4,492.62

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Solution

The fourth proportional to 18,343.62, 27,515.52 and 4,492.62 is: 6,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.62 : 27,515.52 = 4,492.62 : x
  2. Step 2: Convert to fraction form
    18,343.62/27,515.52 = 4,492.62/x
  3. Step 3: Cross multiply
    18,343.62x = 27,515.52 × 4,492.62
  4. Step 4: Simplify right side
    18,343.62x = 123,616,775.46
  5. Step 5: Solve for x
    x = 123,616,775.46/18,343.62
  6. Step 6: Final answer
    x = 6,738.95

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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.