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Finding the Fourth Proportional to 29,488.52, 44,250.06 and 21,159.56

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Solution

The fourth proportional to 29,488.52, 44,250.06 and 21,159.56 is: 31,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488.52 : 44,250.06 = 21,159.56 : x
  2. Step 2: Convert to fraction form
    29,488.52/44,250.06 = 21,159.56/x
  3. Step 3: Cross multiply
    29,488.52x = 44,250.06 × 21,159.56
  4. Step 4: Simplify right side
    29,488.52x = 936,311,799.57
  5. Step 5: Solve for x
    x = 936,311,799.57/29,488.52
  6. Step 6: Final answer
    x = 31,751.74

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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.