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Finding the Fourth Proportional to 18,349.62, 27,508.88 and 7,264.14

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Solution

The fourth proportional to 18,349.62, 27,508.88 and 7,264.14 is: 10,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.62 : 27,508.88 = 7,264.14 : x
  2. Step 2: Convert to fraction form
    18,349.62/27,508.88 = 7,264.14/x
  3. Step 3: Cross multiply
    18,349.62x = 27,508.88 × 7,264.14
  4. Step 4: Simplify right side
    18,349.62x = 199,828,355.56
  5. Step 5: Solve for x
    x = 199,828,355.56/18,349.62
  6. Step 6: Final answer
    x = 10,890.05

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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.