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Finding the Fourth Proportional to 11,951.34, 17,927.04 and 3,186.24

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Solution

The fourth proportional to 11,951.34, 17,927.04 and 3,186.24 is: 4,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.34 : 17,927.04 = 3,186.24 : x
  2. Step 2: Convert to fraction form
    11,951.34/17,927.04 = 3,186.24/x
  3. Step 3: Cross multiply
    11,951.34x = 17,927.04 × 3,186.24
  4. Step 4: Simplify right side
    11,951.34x = 57,119,851.93
  5. Step 5: Solve for x
    x = 57,119,851.93/11,951.34
  6. Step 6: Final answer
    x = 4,779.37

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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.