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Finding the Fourth Proportional to 21,804.98, 32,724.02 and 15,976.82

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Solution

The fourth proportional to 21,804.98, 32,724.02 and 15,976.82 is: 23,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.98 : 32,724.02 = 15,976.82 : x
  2. Step 2: Convert to fraction form
    21,804.98/32,724.02 = 15,976.82/x
  3. Step 3: Cross multiply
    21,804.98x = 32,724.02 × 15,976.82
  4. Step 4: Simplify right side
    21,804.98x = 522,825,653.54
  5. Step 5: Solve for x
    x = 522,825,653.54/21,804.98
  6. Step 6: Final answer
    x = 23,977.36

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1.5x scale

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.