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Finding the Fourth Proportional to 11,998.41, 16,559.81 and 6,966.81

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Solution

The fourth proportional to 11,998.41, 16,559.81 and 6,966.81 is: 9,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.41 : 16,559.81 = 6,966.81 : x
  2. Step 2: Convert to fraction form
    11,998.41/16,559.81 = 6,966.81/x
  3. Step 3: Cross multiply
    11,998.41x = 16,559.81 × 6,966.81
  4. Step 4: Simplify right side
    11,998.41x = 115,369,015.07
  5. Step 5: Solve for x
    x = 115,369,015.07/11,998.41
  6. Step 6: Final answer
    x = 9,615.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.