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Finding the Fourth Proportional to 57,068.84, 85,603.31 and 53,600.73

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Solution

The fourth proportional to 57,068.84, 85,603.31 and 53,600.73 is: 80,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,068.84 : 85,603.31 = 53,600.73 : x
  2. Step 2: Convert to fraction form
    57,068.84/85,603.31 = 53,600.73/x
  3. Step 3: Cross multiply
    57,068.84x = 85,603.31 × 53,600.73
  4. Step 4: Simplify right side
    57,068.84x = 4,588,399,906.42
  5. Step 5: Solve for x
    x = 4,588,399,906.42/57,068.84
  6. Step 6: Final answer
    x = 80,401.14

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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.