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Finding the Fourth Proportional to 17,134.29, 23,639.94 and 9,579.60

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Solution

The fourth proportional to 17,134.29, 23,639.94 and 9,579.60 is: 13,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,134.29 : 23,639.94 = 9,579.60 : x
  2. Step 2: Convert to fraction form
    17,134.29/23,639.94 = 9,579.60/x
  3. Step 3: Cross multiply
    17,134.29x = 23,639.94 × 9,579.60
  4. Step 4: Simplify right side
    17,134.29x = 226,461,169.22
  5. Step 5: Solve for x
    x = 226,461,169.22/17,134.29
  6. Step 6: Final answer
    x = 13,216.84

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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.