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Finding the Fourth Proportional to 50,509.98, 69,692.40 and 29,285.28

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Solution

The fourth proportional to 50,509.98, 69,692.40 and 29,285.28 is: 40,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,509.98 : 69,692.40 = 29,285.28 : x
  2. Step 2: Convert to fraction form
    50,509.98/69,692.40 = 29,285.28/x
  3. Step 3: Cross multiply
    50,509.98x = 69,692.40 × 29,285.28
  4. Step 4: Simplify right side
    50,509.98x = 2,040,961,447.87
  5. Step 5: Solve for x
    x = 2,040,961,447.87/50,509.98
  6. Step 6: Final answer
    x = 40,407.09

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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.