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Finding the Fourth Proportional to 11,860.01, 17,765.41 and 6,914.65

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Solution

The fourth proportional to 11,860.01, 17,765.41 and 6,914.65 is: 10,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.01 : 17,765.41 = 6,914.65 : x
  2. Step 2: Convert to fraction form
    11,860.01/17,765.41 = 6,914.65/x
  3. Step 3: Cross multiply
    11,860.01x = 17,765.41 × 6,914.65
  4. Step 4: Simplify right side
    11,860.01x = 122,841,592.26
  5. Step 5: Solve for x
    x = 122,841,592.26/11,860.01
  6. Step 6: Final answer
    x = 10,357.63

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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.