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Finding the Fourth Proportional to 5,969.88, 8,949.69 and 2,073.78

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Solution

The fourth proportional to 5,969.88, 8,949.69 and 2,073.78 is: 3,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,969.88 : 8,949.69 = 2,073.78 : x
  2. Step 2: Convert to fraction form
    5,969.88/8,949.69 = 2,073.78/x
  3. Step 3: Cross multiply
    5,969.88x = 8,949.69 × 2,073.78
  4. Step 4: Simplify right side
    5,969.88x = 18,559,688.13
  5. Step 5: Solve for x
    x = 18,559,688.13/5,969.88
  6. Step 6: Final answer
    x = 3,108.89

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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.