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Finding the Fourth Proportional to 12,073.56, 16,659.99 and 7,039.41

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Solution

The fourth proportional to 12,073.56, 16,659.99 and 7,039.41 is: 9,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.56 : 16,659.99 = 7,039.41 : x
  2. Step 2: Convert to fraction form
    12,073.56/16,659.99 = 7,039.41/x
  3. Step 3: Cross multiply
    12,073.56x = 16,659.99 × 7,039.41
  4. Step 4: Simplify right side
    12,073.56x = 117,276,500.21
  5. Step 5: Solve for x
    x = 117,276,500.21/12,073.56
  6. Step 6: Final answer
    x = 9,713.50

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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.