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Finding the Fourth Proportional to 100,428.93, 150,550.38 and 37,213.83

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Solution

The fourth proportional to 100,428.93, 150,550.38 and 37,213.83 is: 55,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,428.93 : 150,550.38 = 37,213.83 : x
  2. Step 2: Convert to fraction form
    100,428.93/150,550.38 = 37,213.83/x
  3. Step 3: Cross multiply
    100,428.93x = 150,550.38 × 37,213.83
  4. Step 4: Simplify right side
    100,428.93x = 5,602,556,247.76
  5. Step 5: Solve for x
    x = 5,602,556,247.76/100,428.93
  6. Step 6: Final answer
    x = 55,786.28

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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.