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Finding the Fourth Proportional to 6,899.99, 9,522.05 and 3,756.17

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Solution

The fourth proportional to 6,899.99, 9,522.05 and 3,756.17 is: 5,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.99 : 9,522.05 = 3,756.17 : x
  2. Step 2: Convert to fraction form
    6,899.99/9,522.05 = 3,756.17/x
  3. Step 3: Cross multiply
    6,899.99x = 9,522.05 × 3,756.17
  4. Step 4: Simplify right side
    6,899.99x = 35,766,419.77
  5. Step 5: Solve for x
    x = 35,766,419.77/6,899.99
  6. Step 6: Final answer
    x = 5,183.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.