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Finding the Fourth Proportional to 5,394.66, 7,440.90 and 3,299.82

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Solution

The fourth proportional to 5,394.66, 7,440.90 and 3,299.82 is: 4,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.66 : 7,440.90 = 3,299.82 : x
  2. Step 2: Convert to fraction form
    5,394.66/7,440.90 = 3,299.82/x
  3. Step 3: Cross multiply
    5,394.66x = 7,440.90 × 3,299.82
  4. Step 4: Simplify right side
    5,394.66x = 24,553,630.64
  5. Step 5: Solve for x
    x = 24,553,630.64/5,394.66
  6. Step 6: Final answer
    x = 4,551.47

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1.5x scale

Why These Related Problems?

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