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Finding the Fourth Proportional to 29,620.98, 44,431.45 and 11,859.63

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Solution

The fourth proportional to 29,620.98, 44,431.45 and 11,859.63 is: 17,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,620.98 : 44,431.45 = 11,859.63 : x
  2. Step 2: Convert to fraction form
    29,620.98/44,431.45 = 11,859.63/x
  3. Step 3: Cross multiply
    29,620.98x = 44,431.45 × 11,859.63
  4. Step 4: Simplify right side
    29,620.98x = 526,940,557.36
  5. Step 5: Solve for x
    x = 526,940,557.36/29,620.98
  6. Step 6: Final answer
    x = 17,789.44

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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.