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Finding the Fourth Proportional to 15,323.16, 22,982.99 and 5,325.99

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Solution

The fourth proportional to 15,323.16, 22,982.99 and 5,325.99 is: 7,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.16 : 22,982.99 = 5,325.99 : x
  2. Step 2: Convert to fraction form
    15,323.16/22,982.99 = 5,325.99/x
  3. Step 3: Cross multiply
    15,323.16x = 22,982.99 × 5,325.99
  4. Step 4: Simplify right side
    15,323.16x = 122,407,092.05
  5. Step 5: Solve for x
    x = 122,407,092.05/15,323.16
  6. Step 6: Final answer
    x = 7,988.37

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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.