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Finding the Fourth Proportional to 17,340.74, 23,930.04 and 9,382.80

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Solution

The fourth proportional to 17,340.74, 23,930.04 and 9,382.80 is: 12,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,340.74 : 23,930.04 = 9,382.80 : x
  2. Step 2: Convert to fraction form
    17,340.74/23,930.04 = 9,382.80/x
  3. Step 3: Cross multiply
    17,340.74x = 23,930.04 × 9,382.80
  4. Step 4: Simplify right side
    17,340.74x = 224,530,779.31
  5. Step 5: Solve for x
    x = 224,530,779.31/17,340.74
  6. Step 6: Final answer
    x = 12,948.17

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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.