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Finding the Fourth Proportional to 57,355.48, 85,936.14 and 35,122.46

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Solution

The fourth proportional to 57,355.48, 85,936.14 and 35,122.46 is: 52,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,355.48 : 85,936.14 = 35,122.46 : x
  2. Step 2: Convert to fraction form
    57,355.48/85,936.14 = 35,122.46/x
  3. Step 3: Cross multiply
    57,355.48x = 85,936.14 × 35,122.46
  4. Step 4: Simplify right side
    57,355.48x = 3,018,288,639.70
  5. Step 5: Solve for x
    x = 3,018,288,639.70/57,355.48
  6. Step 6: Final answer
    x = 52,624.24

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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.