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Finding the Fourth Proportional to 4,489.28, 6,723.47 and 4,333.58

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Solution

The fourth proportional to 4,489.28, 6,723.47 and 4,333.58 is: 6,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.28 : 6,723.47 = 4,333.58 : x
  2. Step 2: Convert to fraction form
    4,489.28/6,723.47 = 4,333.58/x
  3. Step 3: Cross multiply
    4,489.28x = 6,723.47 × 4,333.58
  4. Step 4: Simplify right side
    4,489.28x = 29,136,695.12
  5. Step 5: Solve for x
    x = 29,136,695.12/4,489.28
  6. Step 6: Final answer
    x = 6,490.28

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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.