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Finding the Fourth Proportional to 61,543.94, 84,930.53 and 33,249.54

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Solution

The fourth proportional to 61,543.94, 84,930.53 and 33,249.54 is: 45,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,543.94 : 84,930.53 = 33,249.54 : x
  2. Step 2: Convert to fraction form
    61,543.94/84,930.53 = 33,249.54/x
  3. Step 3: Cross multiply
    61,543.94x = 84,930.53 × 33,249.54
  4. Step 4: Simplify right side
    61,543.94x = 2,823,901,054.46
  5. Step 5: Solve for x
    x = 2,823,901,054.46/61,543.94
  6. Step 6: Final answer
    x = 45,884.31

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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.