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Finding the Fourth Proportional to 18,599.34, 27,947.31 and 17,384.51

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Solution

The fourth proportional to 18,599.34, 27,947.31 and 17,384.51 is: 26,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.34 : 27,947.31 = 17,384.51 : x
  2. Step 2: Convert to fraction form
    18,599.34/27,947.31 = 17,384.51/x
  3. Step 3: Cross multiply
    18,599.34x = 27,947.31 × 17,384.51
  4. Step 4: Simplify right side
    18,599.34x = 485,850,150.43
  5. Step 5: Solve for x
    x = 485,850,150.43/18,599.34
  6. Step 6: Final answer
    x = 26,121.90

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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.