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Finding the Fourth Proportional to 57,622.70, 86,433.90 and 16,069.70

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Solution

The fourth proportional to 57,622.70, 86,433.90 and 16,069.70 is: 24,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,622.70 : 86,433.90 = 16,069.70 : x
  2. Step 2: Convert to fraction form
    57,622.70/86,433.90 = 16,069.70/x
  3. Step 3: Cross multiply
    57,622.70x = 86,433.90 × 16,069.70
  4. Step 4: Simplify right side
    57,622.70x = 1,388,966,842.83
  5. Step 5: Solve for x
    x = 1,388,966,842.83/57,622.70
  6. Step 6: Final answer
    x = 24,104.51

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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.