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Finding the Fourth Proportional to 37,533, 51,797.16 and 20,766

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Solution

The fourth proportional to 37,533, 51,797.16 and 20,766 is: 28,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,533 : 51,797.16 = 20,766 : x
  2. Step 2: Convert to fraction form
    37,533/51,797.16 = 20,766/x
  3. Step 3: Cross multiply
    37,533x = 51,797.16 × 20,766
  4. Step 4: Simplify right side
    37,533x = 1,075,619,824.56
  5. Step 5: Solve for x
    x = 1,075,619,824.56/37,533
  6. Step 6: Final answer
    x = 28,657.98

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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.