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Finding the Fourth Proportional to 51,793.70, 77,694.95 and 14,353.79

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Solution

The fourth proportional to 51,793.70, 77,694.95 and 14,353.79 is: 21,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,793.70 : 77,694.95 = 14,353.79 : x
  2. Step 2: Convert to fraction form
    51,793.70/77,694.95 = 14,353.79/x
  3. Step 3: Cross multiply
    51,793.70x = 77,694.95 × 14,353.79
  4. Step 4: Simplify right side
    51,793.70x = 1,115,216,643.77
  5. Step 5: Solve for x
    x = 1,115,216,643.77/51,793.70
  6. Step 6: Final answer
    x = 21,531.90

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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.