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Finding the Fourth Proportional to 11,955.44, 17,929.51 and 9,609.88

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Solution

The fourth proportional to 11,955.44, 17,929.51 and 9,609.88 is: 14,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.44 : 17,929.51 = 9,609.88 : x
  2. Step 2: Convert to fraction form
    11,955.44/17,929.51 = 9,609.88/x
  3. Step 3: Cross multiply
    11,955.44x = 17,929.51 × 9,609.88
  4. Step 4: Simplify right side
    11,955.44x = 172,300,473.98
  5. Step 5: Solve for x
    x = 172,300,473.98/11,955.44
  6. Step 6: Final answer
    x = 14,411.89

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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.