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Finding the Fourth Proportional to 7,950.52, 10,971.78 and 4,413.76

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Solution

The fourth proportional to 7,950.52, 10,971.78 and 4,413.76 is: 6,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.52 : 10,971.78 = 4,413.76 : x
  2. Step 2: Convert to fraction form
    7,950.52/10,971.78 = 4,413.76/x
  3. Step 3: Cross multiply
    7,950.52x = 10,971.78 × 4,413.76
  4. Step 4: Simplify right side
    7,950.52x = 48,426,803.69
  5. Step 5: Solve for x
    x = 48,426,803.69/7,950.52
  6. Step 6: Final answer
    x = 6,091.02

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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.