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Finding the Fourth Proportional to 18,338.00, 27,490.59 and 8,972.17

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Solution

The fourth proportional to 18,338.00, 27,490.59 and 8,972.17 is: 13,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.00 : 27,490.59 = 8,972.17 : x
  2. Step 2: Convert to fraction form
    18,338.00/27,490.59 = 8,972.17/x
  3. Step 3: Cross multiply
    18,338.00x = 27,490.59 × 8,972.17
  4. Step 4: Simplify right side
    18,338.00x = 246,650,178.15
  5. Step 5: Solve for x
    x = 246,650,178.15/18,338.00
  6. Step 6: Final answer
    x = 13,450.23

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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.