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Finding the Fourth Proportional to 57,395.42, 85,949.94 and 36,271.73

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Solution

The fourth proportional to 57,395.42, 85,949.94 and 36,271.73 is: 54,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,395.42 : 85,949.94 = 36,271.73 : x
  2. Step 2: Convert to fraction form
    57,395.42/85,949.94 = 36,271.73/x
  3. Step 3: Cross multiply
    57,395.42x = 85,949.94 × 36,271.73
  4. Step 4: Simplify right side
    57,395.42x = 3,117,553,017.20
  5. Step 5: Solve for x
    x = 3,117,553,017.20/57,395.42
  6. Step 6: Final answer
    x = 54,317.10

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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.