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Finding the Fourth Proportional to 11,851.93, 17,771.93 and 3,951.65

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Solution

The fourth proportional to 11,851.93, 17,771.93 and 3,951.65 is: 5,925.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.93 : 17,771.93 = 3,951.65 : x
  2. Step 2: Convert to fraction form
    11,851.93/17,771.93 = 3,951.65/x
  3. Step 3: Cross multiply
    11,851.93x = 17,771.93 × 3,951.65
  4. Step 4: Simplify right side
    11,851.93x = 70,228,447.18
  5. Step 5: Solve for x
    x = 70,228,447.18/11,851.93
  6. Step 6: Final answer
    x = 5,925.49

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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.