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Finding the Fourth Proportional to 4,692.42, 7,073.78 and 4,375.32

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Solution

The fourth proportional to 4,692.42, 7,073.78 and 4,375.32 is: 6,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.42 : 7,073.78 = 4,375.32 : x
  2. Step 2: Convert to fraction form
    4,692.42/7,073.78 = 4,375.32/x
  3. Step 3: Cross multiply
    4,692.42x = 7,073.78 × 4,375.32
  4. Step 4: Simplify right side
    4,692.42x = 30,950,051.11
  5. Step 5: Solve for x
    x = 30,950,051.11/4,692.42
  6. Step 6: Final answer
    x = 6,595.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.