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Finding the Fourth Proportional to 9,112.61, 13,668.91 and 6,570.22

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Solution

The fourth proportional to 9,112.61, 13,668.91 and 6,570.22 is: 9,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.61 : 13,668.91 = 6,570.22 : x
  2. Step 2: Convert to fraction form
    9,112.61/13,668.91 = 6,570.22/x
  3. Step 3: Cross multiply
    9,112.61x = 13,668.91 × 6,570.22
  4. Step 4: Simplify right side
    9,112.61x = 89,807,745.86
  5. Step 5: Solve for x
    x = 89,807,745.86/9,112.61
  6. Step 6: Final answer
    x = 9,855.33

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Similar ratio
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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.