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Finding the Fourth Proportional to 8,766.45, 12,076.50 and 7,503.45

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Solution

The fourth proportional to 8,766.45, 12,076.50 and 7,503.45 is: 10,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.45 : 12,076.50 = 7,503.45 : x
  2. Step 2: Convert to fraction form
    8,766.45/12,076.50 = 7,503.45/x
  3. Step 3: Cross multiply
    8,766.45x = 12,076.50 × 7,503.45
  4. Step 4: Simplify right side
    8,766.45x = 90,615,413.93
  5. Step 5: Solve for x
    x = 90,615,413.93/8,766.45
  6. Step 6: Final answer
    x = 10,336.61

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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.