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Finding the Fourth Proportional to 61,530.68, 84,912.39 and 33,236.39

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Solution

The fourth proportional to 61,530.68, 84,912.39 and 33,236.39 is: 45,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,530.68 : 84,912.39 = 33,236.39 : x
  2. Step 2: Convert to fraction form
    61,530.68/84,912.39 = 33,236.39/x
  3. Step 3: Cross multiply
    61,530.68x = 84,912.39 × 33,236.39
  4. Step 4: Simplify right side
    61,530.68x = 2,822,181,309.87
  5. Step 5: Solve for x
    x = 2,822,181,309.87/61,530.68
  6. Step 6: Final answer
    x = 45,866.25

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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.