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Finding the Fourth Proportional to 7,958.25, 11,940.01 and 4,259.66

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Solution

The fourth proportional to 7,958.25, 11,940.01 and 4,259.66 is: 6,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.25 : 11,940.01 = 4,259.66 : x
  2. Step 2: Convert to fraction form
    7,958.25/11,940.01 = 4,259.66/x
  3. Step 3: Cross multiply
    7,958.25x = 11,940.01 × 4,259.66
  4. Step 4: Simplify right side
    7,958.25x = 50,860,312.65
  5. Step 5: Solve for x
    x = 50,860,312.65/7,958.25
  6. Step 6: Final answer
    x = 6,390.89

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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.