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Finding the Fourth Proportional to 1,075.14, 1,614.06 and 844.83

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Solution

The fourth proportional to 1,075.14, 1,614.06 and 844.83 is: 1,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.14 : 1,614.06 = 844.83 : x
  2. Step 2: Convert to fraction form
    1,075.14/1,614.06 = 844.83/x
  3. Step 3: Cross multiply
    1,075.14x = 1,614.06 × 844.83
  4. Step 4: Simplify right side
    1,075.14x = 1,363,606.31
  5. Step 5: Solve for x
    x = 1,363,606.31/1,075.14
  6. Step 6: Final answer
    x = 1,268.31

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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.