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Finding the Fourth Proportional to 24,378, 33,641.88 and 13,200.24

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Solution

The fourth proportional to 24,378, 33,641.88 and 13,200.24 is: 18,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,378 : 33,641.88 = 13,200.24 : x
  2. Step 2: Convert to fraction form
    24,378/33,641.88 = 13,200.24/x
  3. Step 3: Cross multiply
    24,378x = 33,641.88 × 13,200.24
  4. Step 4: Simplify right side
    24,378x = 444,080,890.05
  5. Step 5: Solve for x
    x = 444,080,890.05/24,378
  6. Step 6: Final answer
    x = 18,216.46

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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.