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Finding the Fourth Proportional to 29,913.06, 44,866.89 and 9,136.56

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Solution

The fourth proportional to 29,913.06, 44,866.89 and 9,136.56 is: 13,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,913.06 : 44,866.89 = 9,136.56 : x
  2. Step 2: Convert to fraction form
    29,913.06/44,866.89 = 9,136.56/x
  3. Step 3: Cross multiply
    29,913.06x = 44,866.89 × 9,136.56
  4. Step 4: Simplify right side
    29,913.06x = 409,929,032.50
  5. Step 5: Solve for x
    x = 409,929,032.50/29,913.06
  6. Step 6: Final answer
    x = 13,704.02

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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.