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Finding the Fourth Proportional to 70,644.98, 105,951.02 and 26,292.62

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Solution

The fourth proportional to 70,644.98, 105,951.02 and 26,292.62 is: 39,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,644.98 : 105,951.02 = 26,292.62 : x
  2. Step 2: Convert to fraction form
    70,644.98/105,951.02 = 26,292.62/x
  3. Step 3: Cross multiply
    70,644.98x = 105,951.02 × 26,292.62
  4. Step 4: Simplify right side
    70,644.98x = 2,785,729,907.47
  5. Step 5: Solve for x
    x = 2,785,729,907.47/70,644.98
  6. Step 6: Final answer
    x = 39,432.81

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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.