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Finding the Fourth Proportional to 6,247.64, 8,621.86 and 3,595.56

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Solution

The fourth proportional to 6,247.64, 8,621.86 and 3,595.56 is: 4,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.64 : 8,621.86 = 3,595.56 : x
  2. Step 2: Convert to fraction form
    6,247.64/8,621.86 = 3,595.56/x
  3. Step 3: Cross multiply
    6,247.64x = 8,621.86 × 3,595.56
  4. Step 4: Simplify right side
    6,247.64x = 31,000,414.94
  5. Step 5: Solve for x
    x = 31,000,414.94/6,247.64
  6. Step 6: Final answer
    x = 4,961.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.