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Finding the Fourth Proportional to 29,383.34, 40,548.78 and 15,954.34

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Solution

The fourth proportional to 29,383.34, 40,548.78 and 15,954.34 is: 22,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,383.34 : 40,548.78 = 15,954.34 : x
  2. Step 2: Convert to fraction form
    29,383.34/40,548.78 = 15,954.34/x
  3. Step 3: Cross multiply
    29,383.34x = 40,548.78 × 15,954.34
  4. Step 4: Simplify right side
    29,383.34x = 646,929,022.71
  5. Step 5: Solve for x
    x = 646,929,022.71/29,383.34
  6. Step 6: Final answer
    x = 22,016.86

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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.