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Finding the Fourth Proportional to 5,438.73, 7,507.23 and 4,962.99

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Solution

The fourth proportional to 5,438.73, 7,507.23 and 4,962.99 is: 6,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.73 : 7,507.23 = 4,962.99 : x
  2. Step 2: Convert to fraction form
    5,438.73/7,507.23 = 4,962.99/x
  3. Step 3: Cross multiply
    5,438.73x = 7,507.23 × 4,962.99
  4. Step 4: Simplify right side
    5,438.73x = 37,258,307.42
  5. Step 5: Solve for x
    x = 37,258,307.42/5,438.73
  6. Step 6: Final answer
    x = 6,850.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.