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Finding the Fourth Proportional to 5,650.56, 8,475.84 and 2,187

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Solution

The fourth proportional to 5,650.56, 8,475.84 and 2,187 is: 3,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.56 : 8,475.84 = 2,187 : x
  2. Step 2: Convert to fraction form
    5,650.56/8,475.84 = 2,187/x
  3. Step 3: Cross multiply
    5,650.56x = 8,475.84 × 2,187
  4. Step 4: Simplify right side
    5,650.56x = 18,536,662.08
  5. Step 5: Solve for x
    x = 18,536,662.08/5,650.56
  6. Step 6: Final answer
    x = 3,280.50

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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.