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Finding the Fourth Proportional to 5,648.63, 8,474.72 and 2,531.25

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Solution

The fourth proportional to 5,648.63, 8,474.72 and 2,531.25 is: 3,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.63 : 8,474.72 = 2,531.25 : x
  2. Step 2: Convert to fraction form
    5,648.63/8,474.72 = 2,531.25/x
  3. Step 3: Cross multiply
    5,648.63x = 8,474.72 × 2,531.25
  4. Step 4: Simplify right side
    5,648.63x = 21,451,622.34
  5. Step 5: Solve for x
    x = 21,451,622.34/5,648.63
  6. Step 6: Final answer
    x = 3,797.67

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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.