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Finding the Fourth Proportional to 61,451.42, 84,809.31 and 37,593.95

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Solution

The fourth proportional to 61,451.42, 84,809.31 and 37,593.95 is: 51,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,451.42 : 84,809.31 = 37,593.95 : x
  2. Step 2: Convert to fraction form
    61,451.42/84,809.31 = 37,593.95/x
  3. Step 3: Cross multiply
    61,451.42x = 84,809.31 × 37,593.95
  4. Step 4: Simplify right side
    61,451.42x = 3,188,316,959.67
  5. Step 5: Solve for x
    x = 3,188,316,959.67/61,451.42
  6. Step 6: Final answer
    x = 51,883.54

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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.