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Finding the Fourth Proportional to 7,950.92, 10,971.71 and 4,413.85

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Solution

The fourth proportional to 7,950.92, 10,971.71 and 4,413.85 is: 6,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.92 : 10,971.71 = 4,413.85 : x
  2. Step 2: Convert to fraction form
    7,950.92/10,971.71 = 4,413.85/x
  3. Step 3: Cross multiply
    7,950.92x = 10,971.71 × 4,413.85
  4. Step 4: Simplify right side
    7,950.92x = 48,427,432.68
  5. Step 5: Solve for x
    x = 48,427,432.68/7,950.92
  6. Step 6: Final answer
    x = 6,090.80

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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.