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Finding the Fourth Proportional to 14,716.91, 20,309.73 and 8,003.00

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Solution

The fourth proportional to 14,716.91, 20,309.73 and 8,003.00 is: 11,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.91 : 20,309.73 = 8,003.00 : x
  2. Step 2: Convert to fraction form
    14,716.91/20,309.73 = 8,003.00/x
  3. Step 3: Cross multiply
    14,716.91x = 20,309.73 × 8,003.00
  4. Step 4: Simplify right side
    14,716.91x = 162,538,667.64
  5. Step 5: Solve for x
    x = 162,538,667.64/14,716.91
  6. Step 6: Final answer
    x = 11,044.35

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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.