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Finding the Fourth Proportional to 6,690.56, 10,053.99 and 3,572.73

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Solution

The fourth proportional to 6,690.56, 10,053.99 and 3,572.73 is: 5,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.56 : 10,053.99 = 3,572.73 : x
  2. Step 2: Convert to fraction form
    6,690.56/10,053.99 = 3,572.73/x
  3. Step 3: Cross multiply
    6,690.56x = 10,053.99 × 3,572.73
  4. Step 4: Simplify right side
    6,690.56x = 35,920,191.69
  5. Step 5: Solve for x
    x = 35,920,191.69/6,690.56
  6. Step 6: Final answer
    x = 5,368.79

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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.