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Finding the Fourth Proportional to 8,285, 11,433.38 and 4,559.08

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Solution

The fourth proportional to 8,285, 11,433.38 and 4,559.08 is: 6,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285 : 11,433.38 = 4,559.08 : x
  2. Step 2: Convert to fraction form
    8,285/11,433.38 = 4,559.08/x
  3. Step 3: Cross multiply
    8,285x = 11,433.38 × 4,559.08
  4. Step 4: Simplify right side
    8,285x = 52,125,694.09
  5. Step 5: Solve for x
    x = 52,125,694.09/8,285
  6. Step 6: Final answer
    x = 6,291.57

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Double 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.