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Finding the Fourth Proportional to 28,075.44, 42,082.92 and 14,914.56

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Solution

The fourth proportional to 28,075.44, 42,082.92 and 14,914.56 is: 22,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.44 : 42,082.92 = 14,914.56 : x
  2. Step 2: Convert to fraction form
    28,075.44/42,082.92 = 14,914.56/x
  3. Step 3: Cross multiply
    28,075.44x = 42,082.92 × 14,914.56
  4. Step 4: Simplify right side
    28,075.44x = 627,648,235.32
  5. Step 5: Solve for x
    x = 627,648,235.32/28,075.44
  6. Step 6: Final answer
    x = 22,355.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.