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Finding the Fourth Proportional to 61,750.89, 85,216.05 and 33,456.51

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Solution

The fourth proportional to 61,750.89, 85,216.05 and 33,456.51 is: 46,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.89 : 85,216.05 = 33,456.51 : x
  2. Step 2: Convert to fraction form
    61,750.89/85,216.05 = 33,456.51/x
  3. Step 3: Cross multiply
    61,750.89x = 85,216.05 × 33,456.51
  4. Step 4: Simplify right side
    61,750.89x = 2,851,031,628.99
  5. Step 5: Solve for x
    x = 2,851,031,628.99/61,750.89
  6. Step 6: Final answer
    x = 46,169.89

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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.