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Finding the Fourth Proportional to 16,954.96, 23,397.96 and 9,881.68

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Solution

The fourth proportional to 16,954.96, 23,397.96 and 9,881.68 is: 13,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,954.96 : 23,397.96 = 9,881.68 : x
  2. Step 2: Convert to fraction form
    16,954.96/23,397.96 = 9,881.68/x
  3. Step 3: Cross multiply
    16,954.96x = 23,397.96 × 9,881.68
  4. Step 4: Simplify right side
    16,954.96x = 231,211,153.37
  5. Step 5: Solve for x
    x = 231,211,153.37/16,954.96
  6. Step 6: Final answer
    x = 13,636.79

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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.