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Finding the Fourth Proportional to 14,615.09, 21,928.71 and 8,040.73

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Solution

The fourth proportional to 14,615.09, 21,928.71 and 8,040.73 is: 12,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.09 : 21,928.71 = 8,040.73 : x
  2. Step 2: Convert to fraction form
    14,615.09/21,928.71 = 8,040.73/x
  3. Step 3: Cross multiply
    14,615.09x = 21,928.71 × 8,040.73
  4. Step 4: Simplify right side
    14,615.09x = 176,322,836.36
  5. Step 5: Solve for x
    x = 176,322,836.36/14,615.09
  6. Step 6: Final answer
    x = 12,064.44

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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.