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Finding the Fourth Proportional to 15,137.12, 22,692.90 and 7,235.30

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Solution

The fourth proportional to 15,137.12, 22,692.90 and 7,235.30 is: 10,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.12 : 22,692.90 = 7,235.30 : x
  2. Step 2: Convert to fraction form
    15,137.12/22,692.90 = 7,235.30/x
  3. Step 3: Cross multiply
    15,137.12x = 22,692.90 × 7,235.30
  4. Step 4: Simplify right side
    15,137.12x = 164,189,939.37
  5. Step 5: Solve for x
    x = 164,189,939.37/15,137.12
  6. Step 6: Final answer
    x = 10,846.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.