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Finding the Fourth Proportional to 23,640.60, 35,460.90 and 7,003.20

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Solution

The fourth proportional to 23,640.60, 35,460.90 and 7,003.20 is: 10,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,640.60 : 35,460.90 = 7,003.20 : x
  2. Step 2: Convert to fraction form
    23,640.60/35,460.90 = 7,003.20/x
  3. Step 3: Cross multiply
    23,640.60x = 35,460.90 × 7,003.20
  4. Step 4: Simplify right side
    23,640.60x = 248,339,774.88
  5. Step 5: Solve for x
    x = 248,339,774.88/23,640.60
  6. Step 6: Final answer
    x = 10,504.80

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Similar ratio
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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.