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Finding the Fourth Proportional to 24,398.48, 33,669.84 and 13,220.48

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Solution

The fourth proportional to 24,398.48, 33,669.84 and 13,220.48 is: 18,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,398.48 : 33,669.84 = 13,220.48 : x
  2. Step 2: Convert to fraction form
    24,398.48/33,669.84 = 13,220.48/x
  3. Step 3: Cross multiply
    24,398.48x = 33,669.84 × 13,220.48
  4. Step 4: Simplify right side
    24,398.48x = 445,131,446.32
  5. Step 5: Solve for x
    x = 445,131,446.32/24,398.48
  6. Step 6: Final answer
    x = 18,244.23

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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.