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Finding the Fourth Proportional to 63,075.84, 94,604.60 and 20,375.56

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Solution

The fourth proportional to 63,075.84, 94,604.60 and 20,375.56 is: 30,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,075.84 : 94,604.60 = 20,375.56 : x
  2. Step 2: Convert to fraction form
    63,075.84/94,604.60 = 20,375.56/x
  3. Step 3: Cross multiply
    63,075.84x = 94,604.60 × 20,375.56
  4. Step 4: Simplify right side
    63,075.84x = 1,927,621,703.58
  5. Step 5: Solve for x
    x = 1,927,621,703.58/63,075.84
  6. Step 6: Final answer
    x = 30,560.38

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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.