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Finding the Fourth Proportional to 15,982.68, 23,974 and 4,295.90

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Solution

The fourth proportional to 15,982.68, 23,974 and 4,295.90 is: 6,443.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.68 : 23,974 = 4,295.90 : x
  2. Step 2: Convert to fraction form
    15,982.68/23,974 = 4,295.90/x
  3. Step 3: Cross multiply
    15,982.68x = 23,974 × 4,295.90
  4. Step 4: Simplify right side
    15,982.68x = 102,989,906.60
  5. Step 5: Solve for x
    x = 102,989,906.60/15,982.68
  6. Step 6: Final answer
    x = 6,443.84

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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.