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Finding the Fourth Proportional to 9,615.91, 14,413.91 and 3,691.22

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Solution

The fourth proportional to 9,615.91, 14,413.91 and 3,691.22 is: 5,533.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.91 : 14,413.91 = 3,691.22 : x
  2. Step 2: Convert to fraction form
    9,615.91/14,413.91 = 3,691.22/x
  3. Step 3: Cross multiply
    9,615.91x = 14,413.91 × 3,691.22
  4. Step 4: Simplify right side
    9,615.91x = 53,204,850.03
  5. Step 5: Solve for x
    x = 53,204,850.03/9,615.91
  6. Step 6: Final answer
    x = 5,533.00

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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.