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Finding the Fourth Proportional to 5,690.56, 8,537.10 and 2,406.46

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Solution

The fourth proportional to 5,690.56, 8,537.10 and 2,406.46 is: 3,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.56 : 8,537.10 = 2,406.46 : x
  2. Step 2: Convert to fraction form
    5,690.56/8,537.10 = 2,406.46/x
  3. Step 3: Cross multiply
    5,690.56x = 8,537.10 × 2,406.46
  4. Step 4: Simplify right side
    5,690.56x = 20,544,189.67
  5. Step 5: Solve for x
    x = 20,544,189.67/5,690.56
  6. Step 6: Final answer
    x = 3,610.22

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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.