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Finding the Fourth Proportional to 29,322.98, 43,984.47 and 7,136.36

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Solution

The fourth proportional to 29,322.98, 43,984.47 and 7,136.36 is: 10,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,322.98 : 43,984.47 = 7,136.36 : x
  2. Step 2: Convert to fraction form
    29,322.98/43,984.47 = 7,136.36/x
  3. Step 3: Cross multiply
    29,322.98x = 43,984.47 × 7,136.36
  4. Step 4: Simplify right side
    29,322.98x = 313,888,792.41
  5. Step 5: Solve for x
    x = 313,888,792.41/29,322.98
  6. Step 6: Final answer
    x = 10,704.53

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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.