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Finding the Fourth Proportional to 1,583.83, 2,375.75 and 1,055.62

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Solution

The fourth proportional to 1,583.83, 2,375.75 and 1,055.62 is: 1,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.83 : 2,375.75 = 1,055.62 : x
  2. Step 2: Convert to fraction form
    1,583.83/2,375.75 = 1,055.62/x
  3. Step 3: Cross multiply
    1,583.83x = 2,375.75 × 1,055.62
  4. Step 4: Simplify right side
    1,583.83x = 2,507,878.00
  5. Step 5: Solve for x
    x = 2,507,878.00/1,583.83
  6. Step 6: Final answer
    x = 1,583.43

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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.