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Finding the Fourth Proportional to 7,596.40, 11,395.40 and 3,153.56

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Solution

The fourth proportional to 7,596.40, 11,395.40 and 3,153.56 is: 4,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,596.40 : 11,395.40 = 3,153.56 : x
  2. Step 2: Convert to fraction form
    7,596.40/11,395.40 = 3,153.56/x
  3. Step 3: Cross multiply
    7,596.40x = 11,395.40 × 3,153.56
  4. Step 4: Simplify right side
    7,596.40x = 35,936,077.62
  5. Step 5: Solve for x
    x = 35,936,077.62/7,596.40
  6. Step 6: Final answer
    x = 4,730.67

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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.