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Finding the Fourth Proportional to 7,693.68, 11,545.99 and 2,763.37

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Solution

The fourth proportional to 7,693.68, 11,545.99 and 2,763.37 is: 4,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693.68 : 11,545.99 = 2,763.37 : x
  2. Step 2: Convert to fraction form
    7,693.68/11,545.99 = 2,763.37/x
  3. Step 3: Cross multiply
    7,693.68x = 11,545.99 × 2,763.37
  4. Step 4: Simplify right side
    7,693.68x = 31,905,800.51
  5. Step 5: Solve for x
    x = 31,905,800.51/7,693.68
  6. Step 6: Final answer
    x = 4,147.01

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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.