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Finding the Fourth Proportional to 18,232.80, 25,467.60 and 18,232.80

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Solution

The fourth proportional to 18,232.80, 25,467.60 and 18,232.80 is: 25,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.80 : 25,467.60 = 18,232.80 : x
  2. Step 2: Convert to fraction form
    18,232.80/25,467.60 = 18,232.80/x
  3. Step 3: Cross multiply
    18,232.80x = 25,467.60 × 18,232.80
  4. Step 4: Simplify right side
    18,232.80x = 464,345,657.28
  5. Step 5: Solve for x
    x = 464,345,657.28/18,232.80
  6. Step 6: Final answer
    x = 25,467.60

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.