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Finding the Fourth Proportional to 61,601.75, 85,010.43 and 33,307.43

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Solution

The fourth proportional to 61,601.75, 85,010.43 and 33,307.43 is: 45,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,601.75 : 85,010.43 = 33,307.43 : x
  2. Step 2: Convert to fraction form
    61,601.75/85,010.43 = 33,307.43/x
  3. Step 3: Cross multiply
    61,601.75x = 85,010.43 × 33,307.43
  4. Step 4: Simplify right side
    61,601.75x = 2,831,478,946.49
  5. Step 5: Solve for x
    x = 2,831,478,946.49/61,601.75
  6. Step 6: Final answer
    x = 45,964.26

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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.