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Finding the Fourth Proportional to 9,805.59, 13,522.39 and 6,451.24

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Solution

The fourth proportional to 9,805.59, 13,522.39 and 6,451.24 is: 8,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.59 : 13,522.39 = 6,451.24 : x
  2. Step 2: Convert to fraction form
    9,805.59/13,522.39 = 6,451.24/x
  3. Step 3: Cross multiply
    9,805.59x = 13,522.39 × 6,451.24
  4. Step 4: Simplify right side
    9,805.59x = 87,236,183.26
  5. Step 5: Solve for x
    x = 87,236,183.26/9,805.59
  6. Step 6: Final answer
    x = 8,896.58

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Half scale
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Double scale
Find fourth proportional to 9,806.59, 13,523.77 and 6,452.24
Similar ratio
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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.