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Finding the Fourth Proportional to 6,579.94, 9,785.29 and 6,372.30

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Solution

The fourth proportional to 6,579.94, 9,785.29 and 6,372.30 is: 9,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.94 : 9,785.29 = 6,372.30 : x
  2. Step 2: Convert to fraction form
    6,579.94/9,785.29 = 6,372.30/x
  3. Step 3: Cross multiply
    6,579.94x = 9,785.29 × 6,372.30
  4. Step 4: Simplify right side
    6,579.94x = 62,354,722.68
  5. Step 5: Solve for x
    x = 62,354,722.68/6,579.94
  6. Step 6: Final answer
    x = 9,476.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.