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Finding the Fourth Proportional to 18,452.25, 25,464.11 and 11,000.25

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Solution

The fourth proportional to 18,452.25, 25,464.11 and 11,000.25 is: 15,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.25 : 25,464.11 = 11,000.25 : x
  2. Step 2: Convert to fraction form
    18,452.25/25,464.11 = 11,000.25/x
  3. Step 3: Cross multiply
    18,452.25x = 25,464.11 × 11,000.25
  4. Step 4: Simplify right side
    18,452.25x = 280,111,521.03
  5. Step 5: Solve for x
    x = 280,111,521.03/18,452.25
  6. Step 6: Final answer
    x = 15,180.35

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Half scale
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Double scale
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Similar ratio
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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.