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Finding the Fourth Proportional to 3,017.99, 4,164.99 and 1,692.12

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Solution

The fourth proportional to 3,017.99, 4,164.99 and 1,692.12 is: 2,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.99 : 4,164.99 = 1,692.12 : x
  2. Step 2: Convert to fraction form
    3,017.99/4,164.99 = 1,692.12/x
  3. Step 3: Cross multiply
    3,017.99x = 4,164.99 × 1,692.12
  4. Step 4: Simplify right side
    3,017.99x = 7,047,633.59
  5. Step 5: Solve for x
    x = 7,047,633.59/3,017.99
  6. Step 6: Final answer
    x = 2,335.21

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1.5x scale

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.