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Finding the Fourth Proportional to 12,423.39, 17,150.63 and 9,584.39

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Solution

The fourth proportional to 12,423.39, 17,150.63 and 9,584.39 is: 13,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.39 : 17,150.63 = 9,584.39 : x
  2. Step 2: Convert to fraction form
    12,423.39/17,150.63 = 9,584.39/x
  3. Step 3: Cross multiply
    12,423.39x = 17,150.63 × 9,584.39
  4. Step 4: Simplify right side
    12,423.39x = 164,378,348.58
  5. Step 5: Solve for x
    x = 164,378,348.58/12,423.39
  6. Step 6: Final answer
    x = 13,231.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.