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Finding the Fourth Proportional to 61,629.93, 85,047.57 and 34,774.94

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Solution

The fourth proportional to 61,629.93, 85,047.57 and 34,774.94 is: 47,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,629.93 : 85,047.57 = 34,774.94 : x
  2. Step 2: Convert to fraction form
    61,629.93/85,047.57 = 34,774.94/x
  3. Step 3: Cross multiply
    61,629.93x = 85,047.57 × 34,774.94
  4. Step 4: Simplify right side
    61,629.93x = 2,957,524,143.90
  5. Step 5: Solve for x
    x = 2,957,524,143.90/61,629.93
  6. Step 6: Final answer
    x = 47,988.44

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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.