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Finding the Fourth Proportional to 7,950.76, 10,971.84 and 4,413.88

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Solution

The fourth proportional to 7,950.76, 10,971.84 and 4,413.88 is: 6,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.76 : 10,971.84 = 4,413.88 : x
  2. Step 2: Convert to fraction form
    7,950.76/10,971.84 = 4,413.88/x
  3. Step 3: Cross multiply
    7,950.76x = 10,971.84 × 4,413.88
  4. Step 4: Simplify right side
    7,950.76x = 48,428,385.14
  5. Step 5: Solve for x
    x = 48,428,385.14/7,950.76
  6. Step 6: Final answer
    x = 6,091.04

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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.