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Finding the Fourth Proportional to 56,940.53, 85,399.45 and 19,497.47

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Solution

The fourth proportional to 56,940.53, 85,399.45 and 19,497.47 is: 29,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,940.53 : 85,399.45 = 19,497.47 : x
  2. Step 2: Convert to fraction form
    56,940.53/85,399.45 = 19,497.47/x
  3. Step 3: Cross multiply
    56,940.53x = 85,399.45 × 19,497.47
  4. Step 4: Simplify right side
    56,940.53x = 1,665,072,738.65
  5. Step 5: Solve for x
    x = 1,665,072,738.65/56,940.53
  6. Step 6: Final answer
    x = 29,242.31

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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.