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Finding the Fourth Proportional to 6,451.92, 8,899.47 and 4,464.18

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Solution

The fourth proportional to 6,451.92, 8,899.47 and 4,464.18 is: 6,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.92 : 8,899.47 = 4,464.18 : x
  2. Step 2: Convert to fraction form
    6,451.92/8,899.47 = 4,464.18/x
  3. Step 3: Cross multiply
    6,451.92x = 8,899.47 × 4,464.18
  4. Step 4: Simplify right side
    6,451.92x = 39,728,835.98
  5. Step 5: Solve for x
    x = 39,728,835.98/6,451.92
  6. Step 6: Final answer
    x = 6,157.68

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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.