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Finding the Fourth Proportional to 62,643.66, 93,968.79 and 15,896.94

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Solution

The fourth proportional to 62,643.66, 93,968.79 and 15,896.94 is: 23,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,643.66 : 93,968.79 = 15,896.94 : x
  2. Step 2: Convert to fraction form
    62,643.66/93,968.79 = 15,896.94/x
  3. Step 3: Cross multiply
    62,643.66x = 93,968.79 × 15,896.94
  4. Step 4: Simplify right side
    62,643.66x = 1,493,816,216.50
  5. Step 5: Solve for x
    x = 1,493,816,216.50/62,643.66
  6. Step 6: Final answer
    x = 23,846.25

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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.