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Finding the Fourth Proportional to 1,860.96, 2,568 and 1,075.04

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Solution

The fourth proportional to 1,860.96, 2,568 and 1,075.04 is: 1,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.96 : 2,568 = 1,075.04 : x
  2. Step 2: Convert to fraction form
    1,860.96/2,568 = 1,075.04/x
  3. Step 3: Cross multiply
    1,860.96x = 2,568 × 1,075.04
  4. Step 4: Simplify right side
    1,860.96x = 2,760,702.72
  5. Step 5: Solve for x
    x = 2,760,702.72/1,860.96
  6. Step 6: Final answer
    x = 1,483.48

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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.