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Finding the Fourth Proportional to 18,097.92, 27,146.90 and 4,949.32

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Solution

The fourth proportional to 18,097.92, 27,146.90 and 4,949.32 is: 7,423.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.92 : 27,146.90 = 4,949.32 : x
  2. Step 2: Convert to fraction form
    18,097.92/27,146.90 = 4,949.32/x
  3. Step 3: Cross multiply
    18,097.92x = 27,146.90 × 4,949.32
  4. Step 4: Simplify right side
    18,097.92x = 134,358,695.11
  5. Step 5: Solve for x
    x = 134,358,695.11/18,097.92
  6. Step 6: Final answer
    x = 7,423.99

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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.