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Finding the Fourth Proportional to 24,398.25, 33,669.30 and 13,220.25

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Solution

The fourth proportional to 24,398.25, 33,669.30 and 13,220.25 is: 18,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,398.25 : 33,669.30 = 13,220.25 : x
  2. Step 2: Convert to fraction form
    24,398.25/33,669.30 = 13,220.25/x
  3. Step 3: Cross multiply
    24,398.25x = 33,669.30 × 13,220.25
  4. Step 4: Simplify right side
    24,398.25x = 445,116,486.64
  5. Step 5: Solve for x
    x = 445,116,486.64/24,398.25
  6. Step 6: Final answer
    x = 18,243.79

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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.