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Finding the Fourth Proportional to 5,474.89, 8,248.99 and 4,955.48

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Solution

The fourth proportional to 5,474.89, 8,248.99 and 4,955.48 is: 7,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.89 : 8,248.99 = 4,955.48 : x
  2. Step 2: Convert to fraction form
    5,474.89/8,248.99 = 4,955.48/x
  3. Step 3: Cross multiply
    5,474.89x = 8,248.99 × 4,955.48
  4. Step 4: Simplify right side
    5,474.89x = 40,877,638.94
  5. Step 5: Solve for x
    x = 40,877,638.94/5,474.89
  6. Step 6: Final answer
    x = 7,466.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.