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Finding the Fourth Proportional to 6,591.36, 9,890.16 and 3,304.80

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Solution

The fourth proportional to 6,591.36, 9,890.16 and 3,304.80 is: 4,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,591.36 : 9,890.16 = 3,304.80 : x
  2. Step 2: Convert to fraction form
    6,591.36/9,890.16 = 3,304.80/x
  3. Step 3: Cross multiply
    6,591.36x = 9,890.16 × 3,304.80
  4. Step 4: Simplify right side
    6,591.36x = 32,685,000.77
  5. Step 5: Solve for x
    x = 32,685,000.77/6,591.36
  6. Step 6: Final answer
    x = 4,958.76

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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.