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Finding the Fourth Proportional to 61,628.93, 85,046.20 and 34,773.94

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Solution

The fourth proportional to 61,628.93, 85,046.20 and 34,773.94 is: 47,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.93 : 85,046.20 = 34,773.94 : x
  2. Step 2: Convert to fraction form
    61,628.93/85,046.20 = 34,773.94/x
  3. Step 3: Cross multiply
    61,628.93x = 85,046.20 × 34,773.94
  4. Step 4: Simplify right side
    61,628.93x = 2,957,390,856.93
  5. Step 5: Solve for x
    x = 2,957,390,856.93/61,628.93
  6. Step 6: Final answer
    x = 47,987.06

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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.