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Finding the Fourth Proportional to 18,049.20, 27,079.94 and 9,730.01

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Solution

The fourth proportional to 18,049.20, 27,079.94 and 9,730.01 is: 14,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.20 : 27,079.94 = 9,730.01 : x
  2. Step 2: Convert to fraction form
    18,049.20/27,079.94 = 9,730.01/x
  3. Step 3: Cross multiply
    18,049.20x = 27,079.94 × 9,730.01
  4. Step 4: Simplify right side
    18,049.20x = 263,488,179.02
  5. Step 5: Solve for x
    x = 263,488,179.02/18,049.20
  6. Step 6: Final answer
    x = 14,598.33

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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.