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Finding the Fourth Proportional to 61,091.99, 84,306.84 and 37,218.66

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Solution

The fourth proportional to 61,091.99, 84,306.84 and 37,218.66 is: 51,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,091.99 : 84,306.84 = 37,218.66 : x
  2. Step 2: Convert to fraction form
    61,091.99/84,306.84 = 37,218.66/x
  3. Step 3: Cross multiply
    61,091.99x = 84,306.84 × 37,218.66
  4. Step 4: Simplify right side
    61,091.99x = 3,137,787,613.63
  5. Step 5: Solve for x
    x = 3,137,787,613.63/61,091.99
  6. Step 6: Final answer
    x = 51,361.69

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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.