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Finding the Fourth Proportional to 37,907.81, 52,295.87 and 21,983.04

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Solution

The fourth proportional to 37,907.81, 52,295.87 and 21,983.04 is: 30,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,907.81 : 52,295.87 = 21,983.04 : x
  2. Step 2: Convert to fraction form
    37,907.81/52,295.87 = 21,983.04/x
  3. Step 3: Cross multiply
    37,907.81x = 52,295.87 × 21,983.04
  4. Step 4: Simplify right side
    37,907.81x = 1,149,622,257.00
  5. Step 5: Solve for x
    x = 1,149,622,257.00/37,907.81
  6. Step 6: Final answer
    x = 30,326.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.