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Finding the Fourth Proportional to 61,416.98, 84,755.80 and 34,559.94

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Solution

The fourth proportional to 61,416.98, 84,755.80 and 34,559.94 is: 47,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,416.98 : 84,755.80 = 34,559.94 : x
  2. Step 2: Convert to fraction form
    61,416.98/84,755.80 = 34,559.94/x
  3. Step 3: Cross multiply
    61,416.98x = 84,755.80 × 34,559.94
  4. Step 4: Simplify right side
    61,416.98x = 2,929,155,362.65
  5. Step 5: Solve for x
    x = 2,929,155,362.65/61,416.98
  6. Step 6: Final answer
    x = 47,692.92

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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.