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Finding the Fourth Proportional to 29,099.25, 43,654.95 and 9,379.80

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Solution

The fourth proportional to 29,099.25, 43,654.95 and 9,379.80 is: 14,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,099.25 : 43,654.95 = 9,379.80 : x
  2. Step 2: Convert to fraction form
    29,099.25/43,654.95 = 9,379.80/x
  3. Step 3: Cross multiply
    29,099.25x = 43,654.95 × 9,379.80
  4. Step 4: Simplify right side
    29,099.25x = 409,474,700.01
  5. Step 5: Solve for x
    x = 409,474,700.01/29,099.25
  6. Step 6: Final answer
    x = 14,071.66

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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.