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Finding the Fourth Proportional to 6,579.88, 9,785.19 and 6,372.24

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Solution

The fourth proportional to 6,579.88, 9,785.19 and 6,372.24 is: 9,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.88 : 9,785.19 = 6,372.24 : x
  2. Step 2: Convert to fraction form
    6,579.88/9,785.19 = 6,372.24/x
  3. Step 3: Cross multiply
    6,579.88x = 9,785.19 × 6,372.24
  4. Step 4: Simplify right side
    6,579.88x = 62,353,566.33
  5. Step 5: Solve for x
    x = 62,353,566.33/6,579.88
  6. Step 6: Final answer
    x = 9,476.40

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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.