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Finding the Fourth Proportional to 7,573.78, 11,362.46 and 2,379.65

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Solution

The fourth proportional to 7,573.78, 11,362.46 and 2,379.65 is: 3,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.78 : 11,362.46 = 2,379.65 : x
  2. Step 2: Convert to fraction form
    7,573.78/11,362.46 = 2,379.65/x
  3. Step 3: Cross multiply
    7,573.78x = 11,362.46 × 2,379.65
  4. Step 4: Simplify right side
    7,573.78x = 27,038,677.94
  5. Step 5: Solve for x
    x = 27,038,677.94/7,573.78
  6. Step 6: Final answer
    x = 3,570.04

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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.