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Finding the Fourth Proportional to 26,370.59, 39,550.85 and 7,902.59

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Solution

The fourth proportional to 26,370.59, 39,550.85 and 7,902.59 is: 11,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,370.59 : 39,550.85 = 7,902.59 : x
  2. Step 2: Convert to fraction form
    26,370.59/39,550.85 = 7,902.59/x
  3. Step 3: Cross multiply
    26,370.59x = 39,550.85 × 7,902.59
  4. Step 4: Simplify right side
    26,370.59x = 312,554,112.19
  5. Step 5: Solve for x
    x = 312,554,112.19/26,370.59
  6. Step 6: Final answer
    x = 11,852.37

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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.