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Finding the Fourth Proportional to 58,697.70, 80,997.90 and 33,202.76

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Solution

The fourth proportional to 58,697.70, 80,997.90 and 33,202.76 is: 45,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,697.70 : 80,997.90 = 33,202.76 : x
  2. Step 2: Convert to fraction form
    58,697.70/80,997.90 = 33,202.76/x
  3. Step 3: Cross multiply
    58,697.70x = 80,997.90 × 33,202.76
  4. Step 4: Simplify right side
    58,697.70x = 2,689,353,834.20
  5. Step 5: Solve for x
    x = 2,689,353,834.20/58,697.70
  6. Step 6: Final answer
    x = 45,817.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.