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Finding the Fourth Proportional to 1,959.51, 2,704.13 and 1,075.32

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Solution

The fourth proportional to 1,959.51, 2,704.13 and 1,075.32 is: 1,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.51 : 2,704.13 = 1,075.32 : x
  2. Step 2: Convert to fraction form
    1,959.51/2,704.13 = 1,075.32/x
  3. Step 3: Cross multiply
    1,959.51x = 2,704.13 × 1,075.32
  4. Step 4: Simplify right side
    1,959.51x = 2,907,807.76
  5. Step 5: Solve for x
    x = 2,907,807.76/1,959.51
  6. Step 6: Final answer
    x = 1,483.95

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Why These Related Problems?

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