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Finding the Fourth Proportional to 5,307.42, 7,958.40 and 2,383.22

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Solution

The fourth proportional to 5,307.42, 7,958.40 and 2,383.22 is: 3,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.42 : 7,958.40 = 2,383.22 : x
  2. Step 2: Convert to fraction form
    5,307.42/7,958.40 = 2,383.22/x
  3. Step 3: Cross multiply
    5,307.42x = 7,958.40 × 2,383.22
  4. Step 4: Simplify right side
    5,307.42x = 18,966,578.26
  5. Step 5: Solve for x
    x = 18,966,578.26/5,307.42
  6. Step 6: Final answer
    x = 3,573.60

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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.