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Finding the Fourth Proportional to 2,892.03, 4,338.05 and 2,318.55

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Solution

The fourth proportional to 2,892.03, 4,338.05 and 2,318.55 is: 3,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.03 : 4,338.05 = 2,318.55 : x
  2. Step 2: Convert to fraction form
    2,892.03/4,338.05 = 2,318.55/x
  3. Step 3: Cross multiply
    2,892.03x = 4,338.05 × 2,318.55
  4. Step 4: Simplify right side
    2,892.03x = 10,057,974.23
  5. Step 5: Solve for x
    x = 10,057,974.23/2,892.03
  6. Step 6: Final answer
    x = 3,477.83

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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.