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Finding the Fourth Proportional to 6,336.40, 9,504.60 and 5,666.80

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Solution

The fourth proportional to 6,336.40, 9,504.60 and 5,666.80 is: 8,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.40 : 9,504.60 = 5,666.80 : x
  2. Step 2: Convert to fraction form
    6,336.40/9,504.60 = 5,666.80/x
  3. Step 3: Cross multiply
    6,336.40x = 9,504.60 × 5,666.80
  4. Step 4: Simplify right side
    6,336.40x = 53,860,667.28
  5. Step 5: Solve for x
    x = 53,860,667.28/6,336.40
  6. Step 6: Final answer
    x = 8,500.20

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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.