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Finding the Fourth Proportional to 29,251.44, 43,869.60 and 8,470.08

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Solution

The fourth proportional to 29,251.44, 43,869.60 and 8,470.08 is: 12,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,251.44 : 43,869.60 = 8,470.08 : x
  2. Step 2: Convert to fraction form
    29,251.44/43,869.60 = 8,470.08/x
  3. Step 3: Cross multiply
    29,251.44x = 43,869.60 × 8,470.08
  4. Step 4: Simplify right side
    29,251.44x = 371,579,021.57
  5. Step 5: Solve for x
    x = 371,579,021.57/29,251.44
  6. Step 6: Final answer
    x = 12,702.93

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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.