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Finding the Fourth Proportional to 57,185.39, 85,811.81 and 23,902.90

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Solution

The fourth proportional to 57,185.39, 85,811.81 and 23,902.90 is: 35,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,185.39 : 85,811.81 = 23,902.90 : x
  2. Step 2: Convert to fraction form
    57,185.39/85,811.81 = 23,902.90/x
  3. Step 3: Cross multiply
    57,185.39x = 85,811.81 × 23,902.90
  4. Step 4: Simplify right side
    57,185.39x = 2,051,150,779.20
  5. Step 5: Solve for x
    x = 2,051,150,779.20/57,185.39
  6. Step 6: Final answer
    x = 35,868.44

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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.