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Finding the Fourth Proportional to 17,236.89, 23,786.90 and 9,784.89

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Solution

The fourth proportional to 17,236.89, 23,786.90 and 9,784.89 is: 13,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,236.89 : 23,786.90 = 9,784.89 : x
  2. Step 2: Convert to fraction form
    17,236.89/23,786.90 = 9,784.89/x
  3. Step 3: Cross multiply
    17,236.89x = 23,786.90 × 9,784.89
  4. Step 4: Simplify right side
    17,236.89x = 232,752,151.02
  5. Step 5: Solve for x
    x = 232,752,151.02/17,236.89
  6. Step 6: Final answer
    x = 13,503.14

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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.