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Finding the Fourth Proportional to 11,967.66, 17,924.76 and 8,673.19

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Solution

The fourth proportional to 11,967.66, 17,924.76 and 8,673.19 is: 12,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,967.66 : 17,924.76 = 8,673.19 : x
  2. Step 2: Convert to fraction form
    11,967.66/17,924.76 = 8,673.19/x
  3. Step 3: Cross multiply
    11,967.66x = 17,924.76 × 8,673.19
  4. Step 4: Simplify right side
    11,967.66x = 155,464,804.37
  5. Step 5: Solve for x
    x = 155,464,804.37/11,967.66
  6. Step 6: Final answer
    x = 12,990.41

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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.