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Finding the Fourth Proportional to 100,563.34, 150,844.89 and 25,683.55

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Solution

The fourth proportional to 100,563.34, 150,844.89 and 25,683.55 is: 38,525.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,563.34 : 150,844.89 = 25,683.55 : x
  2. Step 2: Convert to fraction form
    100,563.34/150,844.89 = 25,683.55/x
  3. Step 3: Cross multiply
    100,563.34x = 150,844.89 × 25,683.55
  4. Step 4: Simplify right side
    100,563.34x = 3,874,232,274.56
  5. Step 5: Solve for x
    x = 3,874,232,274.56/100,563.34
  6. Step 6: Final answer
    x = 38,525.29

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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.