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Finding the Fourth Proportional to 8,287.79, 11,436.89 and 6,059.07

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Solution

The fourth proportional to 8,287.79, 11,436.89 and 6,059.07 is: 8,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.79 : 11,436.89 = 6,059.07 : x
  2. Step 2: Convert to fraction form
    8,287.79/11,436.89 = 6,059.07/x
  3. Step 3: Cross multiply
    8,287.79x = 11,436.89 × 6,059.07
  4. Step 4: Simplify right side
    8,287.79x = 69,296,886.80
  5. Step 5: Solve for x
    x = 69,296,886.80/8,287.79
  6. Step 6: Final answer
    x = 8,361.33

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Half scale
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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.