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Finding the Fourth Proportional to 1,794.63, 2,692.75 and 971.94

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Solution

The fourth proportional to 1,794.63, 2,692.75 and 971.94 is: 1,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.63 : 2,692.75 = 971.94 : x
  2. Step 2: Convert to fraction form
    1,794.63/2,692.75 = 971.94/x
  3. Step 3: Cross multiply
    1,794.63x = 2,692.75 × 971.94
  4. Step 4: Simplify right side
    1,794.63x = 2,617,191.44
  5. Step 5: Solve for x
    x = 2,617,191.44/1,794.63
  6. Step 6: Final answer
    x = 1,458.35

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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.