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Finding the Fourth Proportional to 29,047.87, 43,571.81 and 9,328.02

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Solution

The fourth proportional to 29,047.87, 43,571.81 and 9,328.02 is: 13,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,047.87 : 43,571.81 = 9,328.02 : x
  2. Step 2: Convert to fraction form
    29,047.87/43,571.81 = 9,328.02/x
  3. Step 3: Cross multiply
    29,047.87x = 43,571.81 × 9,328.02
  4. Step 4: Simplify right side
    29,047.87x = 406,438,715.12
  5. Step 5: Solve for x
    x = 406,438,715.12/29,047.87
  6. Step 6: Final answer
    x = 13,992.03

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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.