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Finding the Fourth Proportional to 7,267.65, 10,908.28 and 3,572.53

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Solution

The fourth proportional to 7,267.65, 10,908.28 and 3,572.53 is: 5,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.65 : 10,908.28 = 3,572.53 : x
  2. Step 2: Convert to fraction form
    7,267.65/10,908.28 = 3,572.53/x
  3. Step 3: Cross multiply
    7,267.65x = 10,908.28 × 3,572.53
  4. Step 4: Simplify right side
    7,267.65x = 38,970,121.35
  5. Step 5: Solve for x
    x = 38,970,121.35/7,267.65
  6. Step 6: Final answer
    x = 5,362.14

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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.