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Finding the Fourth Proportional to 30,343.41, 41,893.81 and 19,593.09

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Solution

The fourth proportional to 30,343.41, 41,893.81 and 19,593.09 is: 27,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.41 : 41,893.81 = 19,593.09 : x
  2. Step 2: Convert to fraction form
    30,343.41/41,893.81 = 19,593.09/x
  3. Step 3: Cross multiply
    30,343.41x = 41,893.81 × 19,593.09
  4. Step 4: Simplify right side
    30,343.41x = 820,829,140.79
  5. Step 5: Solve for x
    x = 820,829,140.79/30,343.41
  6. Step 6: Final answer
    x = 27,051.31

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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.