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Finding the Fourth Proportional to 5,425.62, 8,123.03 and 3,571.14

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Solution

The fourth proportional to 5,425.62, 8,123.03 and 3,571.14 is: 5,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.62 : 8,123.03 = 3,571.14 : x
  2. Step 2: Convert to fraction form
    5,425.62/8,123.03 = 3,571.14/x
  3. Step 3: Cross multiply
    5,425.62x = 8,123.03 × 3,571.14
  4. Step 4: Simplify right side
    5,425.62x = 29,008,459.50
  5. Step 5: Solve for x
    x = 29,008,459.50/5,425.62
  6. Step 6: Final answer
    x = 5,346.57

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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.