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Finding the Fourth Proportional to 24,879.84, 37,323.60 and 8,460

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Solution

The fourth proportional to 24,879.84, 37,323.60 and 8,460 is: 12,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,879.84 : 37,323.60 = 8,460 : x
  2. Step 2: Convert to fraction form
    24,879.84/37,323.60 = 8,460/x
  3. Step 3: Cross multiply
    24,879.84x = 37,323.60 × 8,460
  4. Step 4: Simplify right side
    24,879.84x = 315,757,656
  5. Step 5: Solve for x
    x = 315,757,656/24,879.84
  6. Step 6: Final answer
    x = 12,691.31

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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.