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Finding the Fourth Proportional to 6,384.40, 9,576.60 and 5,923.60

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Solution

The fourth proportional to 6,384.40, 9,576.60 and 5,923.60 is: 8,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.40 : 9,576.60 = 5,923.60 : x
  2. Step 2: Convert to fraction form
    6,384.40/9,576.60 = 5,923.60/x
  3. Step 3: Cross multiply
    6,384.40x = 9,576.60 × 5,923.60
  4. Step 4: Simplify right side
    6,384.40x = 56,727,947.76
  5. Step 5: Solve for x
    x = 56,727,947.76/6,384.40
  6. Step 6: Final answer
    x = 8,885.40

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Similar ratio
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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.