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Finding the Fourth Proportional to 7,692.11, 11,530.10 and 4,356.19

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Solution

The fourth proportional to 7,692.11, 11,530.10 and 4,356.19 is: 6,529.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.11 : 11,530.10 = 4,356.19 : x
  2. Step 2: Convert to fraction form
    7,692.11/11,530.10 = 4,356.19/x
  3. Step 3: Cross multiply
    7,692.11x = 11,530.10 × 4,356.19
  4. Step 4: Simplify right side
    7,692.11x = 50,227,255.71
  5. Step 5: Solve for x
    x = 50,227,255.71/7,692.11
  6. Step 6: Final answer
    x = 6,529.71

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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.