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Finding the Fourth Proportional to 39,289.88, 58,912.44 and 26,825

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Solution

The fourth proportional to 39,289.88, 58,912.44 and 26,825 is: 40,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.88 : 58,912.44 = 26,825 : x
  2. Step 2: Convert to fraction form
    39,289.88/58,912.44 = 26,825/x
  3. Step 3: Cross multiply
    39,289.88x = 58,912.44 × 26,825
  4. Step 4: Simplify right side
    39,289.88x = 1,580,326,203
  5. Step 5: Solve for x
    x = 1,580,326,203/39,289.88
  6. Step 6: Final answer
    x = 40,222.22

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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.