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Finding the Fourth Proportional to 4,692.62, 7,041.36 and 3,404.72

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Solution

The fourth proportional to 4,692.62, 7,041.36 and 3,404.72 is: 5,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.62 : 7,041.36 = 3,404.72 : x
  2. Step 2: Convert to fraction form
    4,692.62/7,041.36 = 3,404.72/x
  3. Step 3: Cross multiply
    4,692.62x = 7,041.36 × 3,404.72
  4. Step 4: Simplify right side
    4,692.62x = 23,973,859.22
  5. Step 5: Solve for x
    x = 23,973,859.22/4,692.62
  6. Step 6: Final answer
    x = 5,108.84

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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.