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Finding the Fourth Proportional to 61,761.99, 85,198.62 and 37,570.35

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Solution

The fourth proportional to 61,761.99, 85,198.62 and 37,570.35 is: 51,827.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,761.99 : 85,198.62 = 37,570.35 : x
  2. Step 2: Convert to fraction form
    61,761.99/85,198.62 = 37,570.35/x
  3. Step 3: Cross multiply
    61,761.99x = 85,198.62 × 37,570.35
  4. Step 4: Simplify right side
    61,761.99x = 3,200,941,785.07
  5. Step 5: Solve for x
    x = 3,200,941,785.07/61,761.99
  6. Step 6: Final answer
    x = 51,827.05

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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.