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Finding the Fourth Proportional to 14,002.75, 21,004.11 and 9,606.88

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Solution

The fourth proportional to 14,002.75, 21,004.11 and 9,606.88 is: 14,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.75 : 21,004.11 = 9,606.88 : x
  2. Step 2: Convert to fraction form
    14,002.75/21,004.11 = 9,606.88/x
  3. Step 3: Cross multiply
    14,002.75x = 21,004.11 × 9,606.88
  4. Step 4: Simplify right side
    14,002.75x = 201,783,964.28
  5. Step 5: Solve for x
    x = 201,783,964.28/14,002.75
  6. Step 6: Final answer
    x = 14,410.31

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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.