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Finding the Fourth Proportional to 61,245.68, 84,523.92 and 34,389.98

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Solution

The fourth proportional to 61,245.68, 84,523.92 and 34,389.98 is: 47,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245.68 : 84,523.92 = 34,389.98 : x
  2. Step 2: Convert to fraction form
    61,245.68/84,523.92 = 34,389.98/x
  3. Step 3: Cross multiply
    61,245.68x = 84,523.92 × 34,389.98
  4. Step 4: Simplify right side
    61,245.68x = 2,906,775,918.32
  5. Step 5: Solve for x
    x = 2,906,775,918.32/61,245.68
  6. Step 6: Final answer
    x = 47,460.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.