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Finding the Fourth Proportional to 24,490.50, 33,796.98 and 13,312.50

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Solution

The fourth proportional to 24,490.50, 33,796.98 and 13,312.50 is: 18,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,490.50 : 33,796.98 = 13,312.50 : x
  2. Step 2: Convert to fraction form
    24,490.50/33,796.98 = 13,312.50/x
  3. Step 3: Cross multiply
    24,490.50x = 33,796.98 × 13,312.50
  4. Step 4: Simplify right side
    24,490.50x = 449,922,296.25
  5. Step 5: Solve for x
    x = 449,922,296.25/24,490.50
  6. Step 6: Final answer
    x = 18,371.30

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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.