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Finding the Fourth Proportional to 7,626.72, 10,529.28 and 5,952

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Solution

The fourth proportional to 7,626.72, 10,529.28 and 5,952 is: 8,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.72 : 10,529.28 = 5,952 : x
  2. Step 2: Convert to fraction form
    7,626.72/10,529.28 = 5,952/x
  3. Step 3: Cross multiply
    7,626.72x = 10,529.28 × 5,952
  4. Step 4: Simplify right side
    7,626.72x = 62,670,274.56
  5. Step 5: Solve for x
    x = 62,670,274.56/7,626.72
  6. Step 6: Final answer
    x = 8,217.20

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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.