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Finding the Fourth Proportional to 1,693.58, 2,535.57 and 1,075.75

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Solution

The fourth proportional to 1,693.58, 2,535.57 and 1,075.75 is: 1,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.58 : 2,535.57 = 1,075.75 : x
  2. Step 2: Convert to fraction form
    1,693.58/2,535.57 = 1,075.75/x
  3. Step 3: Cross multiply
    1,693.58x = 2,535.57 × 1,075.75
  4. Step 4: Simplify right side
    1,693.58x = 2,727,633.09
  5. Step 5: Solve for x
    x = 2,727,633.09/1,693.58
  6. Step 6: Final answer
    x = 1,610.58

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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.