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Finding the Fourth Proportional to 69,855.45, 104,770.70 and 29,896.89

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Solution

The fourth proportional to 69,855.45, 104,770.70 and 29,896.89 is: 44,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,855.45 : 104,770.70 = 29,896.89 : x
  2. Step 2: Convert to fraction form
    69,855.45/104,770.70 = 29,896.89/x
  3. Step 3: Cross multiply
    69,855.45x = 104,770.70 × 29,896.89
  4. Step 4: Simplify right side
    69,855.45x = 3,132,318,093.12
  5. Step 5: Solve for x
    x = 3,132,318,093.12/69,855.45
  6. Step 6: Final answer
    x = 44,840.00

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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.