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Finding the Fourth Proportional to 18,599.07, 27,949.68 and 9,840.18

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Solution

The fourth proportional to 18,599.07, 27,949.68 and 9,840.18 is: 14,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.07 : 27,949.68 = 9,840.18 : x
  2. Step 2: Convert to fraction form
    18,599.07/27,949.68 = 9,840.18/x
  3. Step 3: Cross multiply
    18,599.07x = 27,949.68 × 9,840.18
  4. Step 4: Simplify right side
    18,599.07x = 275,029,882.14
  5. Step 5: Solve for x
    x = 275,029,882.14/18,599.07
  6. Step 6: Final answer
    x = 14,787.29

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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.