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Finding the Fourth Proportional to 10,449.73, 14,413.03 and 6,668.92

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Solution

The fourth proportional to 10,449.73, 14,413.03 and 6,668.92 is: 9,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.73 : 14,413.03 = 6,668.92 : x
  2. Step 2: Convert to fraction form
    10,449.73/14,413.03 = 6,668.92/x
  3. Step 3: Cross multiply
    10,449.73x = 14,413.03 × 6,668.92
  4. Step 4: Simplify right side
    10,449.73x = 96,119,344.03
  5. Step 5: Solve for x
    x = 96,119,344.03/10,449.73
  6. Step 6: Final answer
    x = 9,198.26

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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.