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Finding the Fourth Proportional to 7,280.76, 10,923.44 and 2,600.67

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Solution

The fourth proportional to 7,280.76, 10,923.44 and 2,600.67 is: 3,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.76 : 10,923.44 = 2,600.67 : x
  2. Step 2: Convert to fraction form
    7,280.76/10,923.44 = 2,600.67/x
  3. Step 3: Cross multiply
    7,280.76x = 10,923.44 × 2,600.67
  4. Step 4: Simplify right side
    7,280.76x = 28,408,262.70
  5. Step 5: Solve for x
    x = 28,408,262.70/7,280.76
  6. Step 6: Final answer
    x = 3,901.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.