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Finding the Fourth Proportional to 61,924.74, 85,457.13 and 33,630.43

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Solution

The fourth proportional to 61,924.74, 85,457.13 and 33,630.43 is: 46,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,924.74 : 85,457.13 = 33,630.43 : x
  2. Step 2: Convert to fraction form
    61,924.74/85,457.13 = 33,630.43/x
  3. Step 3: Cross multiply
    61,924.74x = 85,457.13 × 33,630.43
  4. Step 4: Simplify right side
    61,924.74x = 2,873,959,601.18
  5. Step 5: Solve for x
    x = 2,873,959,601.18/61,924.74
  6. Step 6: Final answer
    x = 46,410.52

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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.