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Finding the Fourth Proportional to 18,294.15, 27,463.04 and 10,902.09

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Solution

The fourth proportional to 18,294.15, 27,463.04 and 10,902.09 is: 16,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.15 : 27,463.04 = 10,902.09 : x
  2. Step 2: Convert to fraction form
    18,294.15/27,463.04 = 10,902.09/x
  3. Step 3: Cross multiply
    18,294.15x = 27,463.04 × 10,902.09
  4. Step 4: Simplify right side
    18,294.15x = 299,404,533.75
  5. Step 5: Solve for x
    x = 299,404,533.75/18,294.15
  6. Step 6: Final answer
    x = 16,366.14

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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.