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Finding the Fourth Proportional to 11,873.75, 17,816.69 and 4,858.94

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Solution

The fourth proportional to 11,873.75, 17,816.69 and 4,858.94 is: 7,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.75 : 17,816.69 = 4,858.94 : x
  2. Step 2: Convert to fraction form
    11,873.75/17,816.69 = 4,858.94/x
  3. Step 3: Cross multiply
    11,873.75x = 17,816.69 × 4,858.94
  4. Step 4: Simplify right side
    11,873.75x = 86,570,284.40
  5. Step 5: Solve for x
    x = 86,570,284.40/11,873.75
  6. Step 6: Final answer
    x = 7,290.90

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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.