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Finding the Fourth Proportional to 5,746.75, 8,620.90 and 2,049.98

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Solution

The fourth proportional to 5,746.75, 8,620.90 and 2,049.98 is: 3,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.75 : 8,620.90 = 2,049.98 : x
  2. Step 2: Convert to fraction form
    5,746.75/8,620.90 = 2,049.98/x
  3. Step 3: Cross multiply
    5,746.75x = 8,620.90 × 2,049.98
  4. Step 4: Simplify right side
    5,746.75x = 17,672,624.35
  5. Step 5: Solve for x
    x = 17,672,624.35/5,746.75
  6. Step 6: Final answer
    x = 3,075.24

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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.