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Finding the Fourth Proportional to 15,696.60, 23,544.90 and 13,104.60

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Solution

The fourth proportional to 15,696.60, 23,544.90 and 13,104.60 is: 19,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.60 : 23,544.90 = 13,104.60 : x
  2. Step 2: Convert to fraction form
    15,696.60/23,544.90 = 13,104.60/x
  3. Step 3: Cross multiply
    15,696.60x = 23,544.90 × 13,104.60
  4. Step 4: Simplify right side
    15,696.60x = 308,546,496.54
  5. Step 5: Solve for x
    x = 308,546,496.54/15,696.60
  6. Step 6: Final answer
    x = 19,656.90

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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.