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Finding the Fourth Proportional to 11,885.84, 17,795.48 and 8,954.96

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Solution

The fourth proportional to 11,885.84, 17,795.48 and 8,954.96 is: 13,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.84 : 17,795.48 = 8,954.96 : x
  2. Step 2: Convert to fraction form
    11,885.84/17,795.48 = 8,954.96/x
  3. Step 3: Cross multiply
    11,885.84x = 17,795.48 × 8,954.96
  4. Step 4: Simplify right side
    11,885.84x = 159,357,811.58
  5. Step 5: Solve for x
    x = 159,357,811.58/11,885.84
  6. Step 6: Final answer
    x = 13,407.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.