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Finding the Fourth Proportional to 61,597.25, 85,003.78 and 34,739.99

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Solution

The fourth proportional to 61,597.25, 85,003.78 and 34,739.99 is: 47,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,597.25 : 85,003.78 = 34,739.99 : x
  2. Step 2: Convert to fraction form
    61,597.25/85,003.78 = 34,739.99/x
  3. Step 3: Cross multiply
    61,597.25x = 85,003.78 × 34,739.99
  4. Step 4: Simplify right side
    61,597.25x = 2,953,030,467.16
  5. Step 5: Solve for x
    x = 2,953,030,467.16/61,597.25
  6. Step 6: Final answer
    x = 47,940.95

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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.