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Finding the Fourth Proportional to 61,607.73, 85,019.18 and 34,750.91

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Solution

The fourth proportional to 61,607.73, 85,019.18 and 34,750.91 is: 47,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,607.73 : 85,019.18 = 34,750.91 : x
  2. Step 2: Convert to fraction form
    61,607.73/85,019.18 = 34,750.91/x
  3. Step 3: Cross multiply
    61,607.73x = 85,019.18 × 34,750.91
  4. Step 4: Simplify right side
    61,607.73x = 2,954,493,872.45
  5. Step 5: Solve for x
    x = 2,954,493,872.45/61,607.73
  6. Step 6: Final answer
    x = 47,956.54

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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.