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Finding the Fourth Proportional to 62,643.44, 93,970.63 and 15,896.32

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Solution

The fourth proportional to 62,643.44, 93,970.63 and 15,896.32 is: 23,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,643.44 : 93,970.63 = 15,896.32 : x
  2. Step 2: Convert to fraction form
    62,643.44/93,970.63 = 15,896.32/x
  3. Step 3: Cross multiply
    62,643.44x = 93,970.63 × 15,896.32
  4. Step 4: Simplify right side
    62,643.44x = 1,493,786,990.03
  5. Step 5: Solve for x
    x = 1,493,786,990.03/62,643.44
  6. Step 6: Final answer
    x = 23,845.86

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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.