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Finding the Fourth Proportional to 6,692.90, 9,240.44 and 4,303.98

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Solution

The fourth proportional to 6,692.90, 9,240.44 and 4,303.98 is: 5,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.90 : 9,240.44 = 4,303.98 : x
  2. Step 2: Convert to fraction form
    6,692.90/9,240.44 = 4,303.98/x
  3. Step 3: Cross multiply
    6,692.90x = 9,240.44 × 4,303.98
  4. Step 4: Simplify right side
    6,692.90x = 39,770,647.43
  5. Step 5: Solve for x
    x = 39,770,647.43/6,692.90
  6. Step 6: Final answer
    x = 5,942.22

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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.