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Finding the Fourth Proportional to 15,424, 23,137.08 and 6,190

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Solution

The fourth proportional to 15,424, 23,137.08 and 6,190 is: 9,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424 : 23,137.08 = 6,190 : x
  2. Step 2: Convert to fraction form
    15,424/23,137.08 = 6,190/x
  3. Step 3: Cross multiply
    15,424x = 23,137.08 × 6,190
  4. Step 4: Simplify right side
    15,424x = 143,218,525.20
  5. Step 5: Solve for x
    x = 143,218,525.20/15,424
  6. Step 6: Final answer
    x = 9,285.43

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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.