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Finding the Fourth Proportional to 1,596.36, 2,202.30 and 975

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Solution

The fourth proportional to 1,596.36, 2,202.30 and 975 is: 1,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.36 : 2,202.30 = 975 : x
  2. Step 2: Convert to fraction form
    1,596.36/2,202.30 = 975/x
  3. Step 3: Cross multiply
    1,596.36x = 2,202.30 × 975
  4. Step 4: Simplify right side
    1,596.36x = 2,147,242.50
  5. Step 5: Solve for x
    x = 2,147,242.50/1,596.36
  6. Step 6: Final answer
    x = 1,345.09

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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.