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Finding the Fourth Proportional to 73,679.70, 110,353.38 and 51,591.69

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Solution

The fourth proportional to 73,679.70, 110,353.38 and 51,591.69 is: 77,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679.70 : 110,353.38 = 51,591.69 : x
  2. Step 2: Convert to fraction form
    73,679.70/110,353.38 = 51,591.69/x
  3. Step 3: Cross multiply
    73,679.70x = 110,353.38 × 51,591.69
  4. Step 4: Simplify right side
    73,679.70x = 5,693,317,371.41
  5. Step 5: Solve for x
    x = 5,693,317,371.41/73,679.70
  6. Step 6: Final answer
    x = 77,271.18

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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.