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Finding the Fourth Proportional to 61,102.74, 91,654.24 and 16,729.94

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Solution

The fourth proportional to 61,102.74, 91,654.24 and 16,729.94 is: 25,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,102.74 : 91,654.24 = 16,729.94 : x
  2. Step 2: Convert to fraction form
    61,102.74/91,654.24 = 16,729.94/x
  3. Step 3: Cross multiply
    61,102.74x = 91,654.24 × 16,729.94
  4. Step 4: Simplify right side
    61,102.74x = 1,533,369,935.95
  5. Step 5: Solve for x
    x = 1,533,369,935.95/61,102.74
  6. Step 6: Final answer
    x = 25,094.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.