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Finding the Fourth Proportional to 11,695.56, 17,554.43 and 7,239.75

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Solution

The fourth proportional to 11,695.56, 17,554.43 and 7,239.75 is: 10,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.56 : 17,554.43 = 7,239.75 : x
  2. Step 2: Convert to fraction form
    11,695.56/17,554.43 = 7,239.75/x
  3. Step 3: Cross multiply
    11,695.56x = 17,554.43 × 7,239.75
  4. Step 4: Simplify right side
    11,695.56x = 127,089,684.59
  5. Step 5: Solve for x
    x = 127,089,684.59/11,695.56
  6. Step 6: Final answer
    x = 10,866.49

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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.