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Finding the Fourth Proportional to 61,776.63, 85,257.06 and 34,923.93

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Solution

The fourth proportional to 61,776.63, 85,257.06 and 34,923.93 is: 48,198.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776.63 : 85,257.06 = 34,923.93 : x
  2. Step 2: Convert to fraction form
    61,776.63/85,257.06 = 34,923.93/x
  3. Step 3: Cross multiply
    61,776.63x = 85,257.06 × 34,923.93
  4. Step 4: Simplify right side
    61,776.63x = 2,977,511,595.45
  5. Step 5: Solve for x
    x = 2,977,511,595.45/61,776.63
  6. Step 6: Final answer
    x = 48,198.03

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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.