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Finding the Fourth Proportional to 7,265.70, 10,891.26 and 5,073.84

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Solution

The fourth proportional to 7,265.70, 10,891.26 and 5,073.84 is: 7,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.70 : 10,891.26 = 5,073.84 : x
  2. Step 2: Convert to fraction form
    7,265.70/10,891.26 = 5,073.84/x
  3. Step 3: Cross multiply
    7,265.70x = 10,891.26 × 5,073.84
  4. Step 4: Simplify right side
    7,265.70x = 55,260,510.64
  5. Step 5: Solve for x
    x = 55,260,510.64/7,265.70
  6. Step 6: Final answer
    x = 7,605.67

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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.