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Finding the Fourth Proportional to 5,692.50, 8,538.48 and 1,796.40

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Solution

The fourth proportional to 5,692.50, 8,538.48 and 1,796.40 is: 2,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.50 : 8,538.48 = 1,796.40 : x
  2. Step 2: Convert to fraction form
    5,692.50/8,538.48 = 1,796.40/x
  3. Step 3: Cross multiply
    5,692.50x = 8,538.48 × 1,796.40
  4. Step 4: Simplify right side
    5,692.50x = 15,338,525.47
  5. Step 5: Solve for x
    x = 15,338,525.47/5,692.50
  6. Step 6: Final answer
    x = 2,694.51

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1.5x scale

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.