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Finding the Fourth Proportional to 61,784.24, 85,262.36 and 33,489.99

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Solution

The fourth proportional to 61,784.24, 85,262.36 and 33,489.99 is: 46,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784.24 : 85,262.36 = 33,489.99 : x
  2. Step 2: Convert to fraction form
    61,784.24/85,262.36 = 33,489.99/x
  3. Step 3: Cross multiply
    61,784.24x = 85,262.36 × 33,489.99
  4. Step 4: Simplify right side
    61,784.24x = 2,855,435,416.33
  5. Step 5: Solve for x
    x = 2,855,435,416.33/61,784.24
  6. Step 6: Final answer
    x = 46,216.25

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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.