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Finding the Fourth Proportional to 4,955.54, 7,434.48 and 1,445.66

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Solution

The fourth proportional to 4,955.54, 7,434.48 and 1,445.66 is: 2,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.54 : 7,434.48 = 1,445.66 : x
  2. Step 2: Convert to fraction form
    4,955.54/7,434.48 = 1,445.66/x
  3. Step 3: Cross multiply
    4,955.54x = 7,434.48 × 1,445.66
  4. Step 4: Simplify right side
    4,955.54x = 10,747,730.36
  5. Step 5: Solve for x
    x = 10,747,730.36/4,955.54
  6. Step 6: Final answer
    x = 2,168.83

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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.