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Finding the Fourth Proportional to 11,732.78, 17,599.16 and 3,947.06

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Solution

The fourth proportional to 11,732.78, 17,599.16 and 3,947.06 is: 5,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,732.78 : 17,599.16 = 3,947.06 : x
  2. Step 2: Convert to fraction form
    11,732.78/17,599.16 = 3,947.06/x
  3. Step 3: Cross multiply
    11,732.78x = 17,599.16 × 3,947.06
  4. Step 4: Simplify right side
    11,732.78x = 69,464,994.34
  5. Step 5: Solve for x
    x = 69,464,994.34/11,732.78
  6. Step 6: Final answer
    x = 5,920.59

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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.