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Finding the Fourth Proportional to 61,759.01, 85,228.11 and 36,265.68

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Solution

The fourth proportional to 61,759.01, 85,228.11 and 36,265.68 is: 50,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,759.01 : 85,228.11 = 36,265.68 : x
  2. Step 2: Convert to fraction form
    61,759.01/85,228.11 = 36,265.68/x
  3. Step 3: Cross multiply
    61,759.01x = 85,228.11 × 36,265.68
  4. Step 4: Simplify right side
    61,759.01x = 3,090,855,182.94
  5. Step 5: Solve for x
    x = 3,090,855,182.94/61,759.01
  6. Step 6: Final answer
    x = 50,047.03

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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.