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Finding the Fourth Proportional to 82,049.42, 123,074.14 and 25,893.89

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Solution

The fourth proportional to 82,049.42, 123,074.14 and 25,893.89 is: 38,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,049.42 : 123,074.14 = 25,893.89 : x
  2. Step 2: Convert to fraction form
    82,049.42/123,074.14 = 25,893.89/x
  3. Step 3: Cross multiply
    82,049.42x = 123,074.14 × 25,893.89
  4. Step 4: Simplify right side
    82,049.42x = 3,186,868,485.96
  5. Step 5: Solve for x
    x = 3,186,868,485.96/82,049.42
  6. Step 6: Final answer
    x = 38,840.84

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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.