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Finding the Fourth Proportional to 6,239.69, 9,359.53 and 1,622.69

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Solution

The fourth proportional to 6,239.69, 9,359.53 and 1,622.69 is: 2,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.69 : 9,359.53 = 1,622.69 : x
  2. Step 2: Convert to fraction form
    6,239.69/9,359.53 = 1,622.69/x
  3. Step 3: Cross multiply
    6,239.69x = 9,359.53 × 1,622.69
  4. Step 4: Simplify right side
    6,239.69x = 15,187,615.74
  5. Step 5: Solve for x
    x = 15,187,615.74/6,239.69
  6. Step 6: Final answer
    x = 2,434.03

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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.