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Finding the Fourth Proportional to 1,503.26, 2,075.39 and 944.21

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Solution

The fourth proportional to 1,503.26, 2,075.39 and 944.21 is: 1,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.26 : 2,075.39 = 944.21 : x
  2. Step 2: Convert to fraction form
    1,503.26/2,075.39 = 944.21/x
  3. Step 3: Cross multiply
    1,503.26x = 2,075.39 × 944.21
  4. Step 4: Simplify right side
    1,503.26x = 1,959,595.98
  5. Step 5: Solve for x
    x = 1,959,595.98/1,503.26
  6. Step 6: Final answer
    x = 1,303.57

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