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Finding the Fourth Proportional to 61,161.69, 84,383.21 and 35,662.29

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Solution

The fourth proportional to 61,161.69, 84,383.21 and 35,662.29 is: 49,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,161.69 : 84,383.21 = 35,662.29 : x
  2. Step 2: Convert to fraction form
    61,161.69/84,383.21 = 35,662.29/x
  3. Step 3: Cross multiply
    61,161.69x = 84,383.21 × 35,662.29
  4. Step 4: Simplify right side
    61,161.69x = 3,009,298,327.84
  5. Step 5: Solve for x
    x = 3,009,298,327.84/61,161.69
  6. Step 6: Final answer
    x = 49,202.34

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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.