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Finding the Fourth Proportional to 16,910.65, 23,336.53 and 9,458.65

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Solution

The fourth proportional to 16,910.65, 23,336.53 and 9,458.65 is: 13,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.65 : 23,336.53 = 9,458.65 : x
  2. Step 2: Convert to fraction form
    16,910.65/23,336.53 = 9,458.65/x
  3. Step 3: Cross multiply
    16,910.65x = 23,336.53 × 9,458.65
  4. Step 4: Simplify right side
    16,910.65x = 220,732,069.48
  5. Step 5: Solve for x
    x = 220,732,069.48/16,910.65
  6. Step 6: Final answer
    x = 13,052.84

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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.