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Finding the Fourth Proportional to 24,621.52, 33,978.92 and 13,443.44

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Solution

The fourth proportional to 24,621.52, 33,978.92 and 13,443.44 is: 18,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,621.52 : 33,978.92 = 13,443.44 : x
  2. Step 2: Convert to fraction form
    24,621.52/33,978.92 = 13,443.44/x
  3. Step 3: Cross multiply
    24,621.52x = 33,978.92 × 13,443.44
  4. Step 4: Simplify right side
    24,621.52x = 456,793,572.28
  5. Step 5: Solve for x
    x = 456,793,572.28/24,621.52
  6. Step 6: Final answer
    x = 18,552.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.