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Finding the Fourth Proportional to 17,245.60, 25,851.60 and 7,387.36

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Solution

The fourth proportional to 17,245.60, 25,851.60 and 7,387.36 is: 11,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.60 : 25,851.60 = 7,387.36 : x
  2. Step 2: Convert to fraction form
    17,245.60/25,851.60 = 7,387.36/x
  3. Step 3: Cross multiply
    17,245.60x = 25,851.60 × 7,387.36
  4. Step 4: Simplify right side
    17,245.60x = 190,975,075.78
  5. Step 5: Solve for x
    x = 190,975,075.78/17,245.60
  6. Step 6: Final answer
    x = 11,073.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.