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Finding the Fourth Proportional to 69,342.99, 95,692.64 and 37,511.20

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Solution

The fourth proportional to 69,342.99, 95,692.64 and 37,511.20 is: 51,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,342.99 : 95,692.64 = 37,511.20 : x
  2. Step 2: Convert to fraction form
    69,342.99/95,692.64 = 37,511.20/x
  3. Step 3: Cross multiply
    69,342.99x = 95,692.64 × 37,511.20
  4. Step 4: Simplify right side
    69,342.99x = 3,589,545,900.63
  5. Step 5: Solve for x
    x = 3,589,545,900.63/69,342.99
  6. Step 6: Final answer
    x = 51,765.09

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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.