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Finding the Fourth Proportional to 7,253.50, 10,880.26 and 3,149.50

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Solution

The fourth proportional to 7,253.50, 10,880.26 and 3,149.50 is: 4,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.50 : 10,880.26 = 3,149.50 : x
  2. Step 2: Convert to fraction form
    7,253.50/10,880.26 = 3,149.50/x
  3. Step 3: Cross multiply
    7,253.50x = 10,880.26 × 3,149.50
  4. Step 4: Simplify right side
    7,253.50x = 34,267,378.87
  5. Step 5: Solve for x
    x = 34,267,378.87/7,253.50
  6. Step 6: Final answer
    x = 4,724.25

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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.