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Finding the Fourth Proportional to 17,104.60, 25,656.90 and 8,356.60

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Solution

The fourth proportional to 17,104.60, 25,656.90 and 8,356.60 is: 12,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,104.60 : 25,656.90 = 8,356.60 : x
  2. Step 2: Convert to fraction form
    17,104.60/25,656.90 = 8,356.60/x
  3. Step 3: Cross multiply
    17,104.60x = 25,656.90 × 8,356.60
  4. Step 4: Simplify right side
    17,104.60x = 214,404,450.54
  5. Step 5: Solve for x
    x = 214,404,450.54/17,104.60
  6. Step 6: Final answer
    x = 12,534.90

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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.