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Finding the Fourth Proportional to 10,692.41, 14,754.94 and 5,912.08

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Solution

The fourth proportional to 10,692.41, 14,754.94 and 5,912.08 is: 8,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.41 : 14,754.94 = 5,912.08 : x
  2. Step 2: Convert to fraction form
    10,692.41/14,754.94 = 5,912.08/x
  3. Step 3: Cross multiply
    10,692.41x = 14,754.94 × 5,912.08
  4. Step 4: Simplify right side
    10,692.41x = 87,232,334.01
  5. Step 5: Solve for x
    x = 87,232,334.01/10,692.41
  6. Step 6: Final answer
    x = 8,158.34

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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.