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Finding the Fourth Proportional to 14,908.83, 20,576.12 and 9,619.03

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Solution

The fourth proportional to 14,908.83, 20,576.12 and 9,619.03 is: 13,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,908.83 : 20,576.12 = 9,619.03 : x
  2. Step 2: Convert to fraction form
    14,908.83/20,576.12 = 9,619.03/x
  3. Step 3: Cross multiply
    14,908.83x = 20,576.12 × 9,619.03
  4. Step 4: Simplify right side
    14,908.83x = 197,922,315.56
  5. Step 5: Solve for x
    x = 197,922,315.56/14,908.83
  6. Step 6: Final answer
    x = 13,275.51

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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.