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Finding the Fourth Proportional to 24,398.63, 33,670.13 and 13,220.63

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Solution

The fourth proportional to 24,398.63, 33,670.13 and 13,220.63 is: 18,244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,398.63 : 33,670.13 = 13,220.63 : x
  2. Step 2: Convert to fraction form
    24,398.63/33,670.13 = 13,220.63/x
  3. Step 3: Cross multiply
    24,398.63x = 33,670.13 × 13,220.63
  4. Step 4: Simplify right side
    24,398.63x = 445,140,096.33
  5. Step 5: Solve for x
    x = 445,140,096.33/24,398.63
  6. Step 6: Final answer
    x = 18,244.47

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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.