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Finding the Fourth Proportional to 61,958.88, 85,503.06 and 33,664.68

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Solution

The fourth proportional to 61,958.88, 85,503.06 and 33,664.68 is: 46,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,958.88 : 85,503.06 = 33,664.68 : x
  2. Step 2: Convert to fraction form
    61,958.88/85,503.06 = 33,664.68/x
  3. Step 3: Cross multiply
    61,958.88x = 85,503.06 × 33,664.68
  4. Step 4: Simplify right side
    61,958.88x = 2,878,433,153.92
  5. Step 5: Solve for x
    x = 2,878,433,153.92/61,958.88
  6. Step 6: Final answer
    x = 46,457.15

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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.