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Finding the Fourth Proportional to 8,480.02, 11,668.02 and 6,961.99

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Solution

The fourth proportional to 8,480.02, 11,668.02 and 6,961.99 is: 9,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.02 : 11,668.02 = 6,961.99 : x
  2. Step 2: Convert to fraction form
    8,480.02/11,668.02 = 6,961.99/x
  3. Step 3: Cross multiply
    8,480.02x = 11,668.02 × 6,961.99
  4. Step 4: Simplify right side
    8,480.02x = 81,232,647.49
  5. Step 5: Solve for x
    x = 81,232,647.49/8,480.02
  6. Step 6: Final answer
    x = 9,579.30

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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.