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Finding the Fourth Proportional to 2,692.96, 4,017.01 and 2,648.36

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Solution

The fourth proportional to 2,692.96, 4,017.01 and 2,648.36 is: 3,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.96 : 4,017.01 = 2,648.36 : x
  2. Step 2: Convert to fraction form
    2,692.96/4,017.01 = 2,648.36/x
  3. Step 3: Cross multiply
    2,692.96x = 4,017.01 × 2,648.36
  4. Step 4: Simplify right side
    2,692.96x = 10,638,488.60
  5. Step 5: Solve for x
    x = 10,638,488.60/2,692.96
  6. Step 6: Final answer
    x = 3,950.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.