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Finding the Fourth Proportional to 18,452.70, 25,464.60 and 10,069.20

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Solution

The fourth proportional to 18,452.70, 25,464.60 and 10,069.20 is: 13,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.70 : 25,464.60 = 10,069.20 : x
  2. Step 2: Convert to fraction form
    18,452.70/25,464.60 = 10,069.20/x
  3. Step 3: Cross multiply
    18,452.70x = 25,464.60 × 10,069.20
  4. Step 4: Simplify right side
    18,452.70x = 256,408,150.32
  5. Step 5: Solve for x
    x = 256,408,150.32/18,452.70
  6. Step 6: Final answer
    x = 13,895.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.