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Finding the Fourth Proportional to 5,426.70, 8,150.97 and 5,273.58

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Solution

The fourth proportional to 5,426.70, 8,150.97 and 5,273.58 is: 7,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.70 : 8,150.97 = 5,273.58 : x
  2. Step 2: Convert to fraction form
    5,426.70/8,150.97 = 5,273.58/x
  3. Step 3: Cross multiply
    5,426.70x = 8,150.97 × 5,273.58
  4. Step 4: Simplify right side
    5,426.70x = 42,984,792.37
  5. Step 5: Solve for x
    x = 42,984,792.37/5,426.70
  6. Step 6: Final answer
    x = 7,920.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.