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Finding the Fourth Proportional to 6,553.69, 9,824.63 and 2,390.79

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Solution

The fourth proportional to 6,553.69, 9,824.63 and 2,390.79 is: 3,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.69 : 9,824.63 = 2,390.79 : x
  2. Step 2: Convert to fraction form
    6,553.69/9,824.63 = 2,390.79/x
  3. Step 3: Cross multiply
    6,553.69x = 9,824.63 × 2,390.79
  4. Step 4: Simplify right side
    6,553.69x = 23,488,615.20
  5. Step 5: Solve for x
    x = 23,488,615.20/6,553.69
  6. Step 6: Final answer
    x = 3,584.03

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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.