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Finding the Fourth Proportional to 5,469.95, 7,548.51 and 2,985.95

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Solution

The fourth proportional to 5,469.95, 7,548.51 and 2,985.95 is: 4,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.95 : 7,548.51 = 2,985.95 : x
  2. Step 2: Convert to fraction form
    5,469.95/7,548.51 = 2,985.95/x
  3. Step 3: Cross multiply
    5,469.95x = 7,548.51 × 2,985.95
  4. Step 4: Simplify right side
    5,469.95x = 22,539,435.69
  5. Step 5: Solve for x
    x = 22,539,435.69/5,469.95
  6. Step 6: Final answer
    x = 4,120.60

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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.