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Finding the Fourth Proportional to 100,452.56, 150,699.56 and 32,989.68

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Solution

The fourth proportional to 100,452.56, 150,699.56 and 32,989.68 is: 49,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,452.56 : 150,699.56 = 32,989.68 : x
  2. Step 2: Convert to fraction form
    100,452.56/150,699.56 = 32,989.68/x
  3. Step 3: Cross multiply
    100,452.56x = 150,699.56 × 32,989.68
  4. Step 4: Simplify right side
    100,452.56x = 4,971,530,095.59
  5. Step 5: Solve for x
    x = 4,971,530,095.59/100,452.56
  6. Step 6: Final answer
    x = 49,491.33

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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.