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Finding the Fourth Proportional to 6,664.79, 9,997.16 and 6,258.85

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Solution

The fourth proportional to 6,664.79, 9,997.16 and 6,258.85 is: 9,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.79 : 9,997.16 = 6,258.85 : x
  2. Step 2: Convert to fraction form
    6,664.79/9,997.16 = 6,258.85/x
  3. Step 3: Cross multiply
    6,664.79x = 9,997.16 × 6,258.85
  4. Step 4: Simplify right side
    6,664.79x = 62,570,668.58
  5. Step 5: Solve for x
    x = 62,570,668.58/6,664.79
  6. Step 6: Final answer
    x = 9,388.24

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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.