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Finding the Fourth Proportional to 61,771.88, 85,245.49 and 33,477.56

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Solution

The fourth proportional to 61,771.88, 85,245.49 and 33,477.56 is: 46,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,771.88 : 85,245.49 = 33,477.56 : x
  2. Step 2: Convert to fraction form
    61,771.88/85,245.49 = 33,477.56/x
  3. Step 3: Cross multiply
    61,771.88x = 85,245.49 × 33,477.56
  4. Step 4: Simplify right side
    61,771.88x = 2,853,811,006.20
  5. Step 5: Solve for x
    x = 2,853,811,006.20/61,771.88
  6. Step 6: Final answer
    x = 46,199.19

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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.