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Finding the Fourth Proportional to 5,933.98, 8,189.94 and 4,988.98

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Solution

The fourth proportional to 5,933.98, 8,189.94 and 4,988.98 is: 6,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,933.98 : 8,189.94 = 4,988.98 : x
  2. Step 2: Convert to fraction form
    5,933.98/8,189.94 = 4,988.98/x
  3. Step 3: Cross multiply
    5,933.98x = 8,189.94 × 4,988.98
  4. Step 4: Simplify right side
    5,933.98x = 40,859,446.86
  5. Step 5: Solve for x
    x = 40,859,446.86/5,933.98
  6. Step 6: Final answer
    x = 6,885.67

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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.