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Finding the Fourth Proportional to 1,959.83, 2,704.61 and 1,075.58

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Solution

The fourth proportional to 1,959.83, 2,704.61 and 1,075.58 is: 1,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.83 : 2,704.61 = 1,075.58 : x
  2. Step 2: Convert to fraction form
    1,959.83/2,704.61 = 1,075.58/x
  3. Step 3: Cross multiply
    1,959.83x = 2,704.61 × 1,075.58
  4. Step 4: Simplify right side
    1,959.83x = 2,909,013.59
  5. Step 5: Solve for x
    x = 2,909,013.59/1,959.83
  6. Step 6: Final answer
    x = 1,484.32

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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.