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Finding the Fourth Proportional to 17,576.76, 26,339.22 and 9,783.48

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Solution

The fourth proportional to 17,576.76, 26,339.22 and 9,783.48 is: 14,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,576.76 : 26,339.22 = 9,783.48 : x
  2. Step 2: Convert to fraction form
    17,576.76/26,339.22 = 9,783.48/x
  3. Step 3: Cross multiply
    17,576.76x = 26,339.22 × 9,783.48
  4. Step 4: Simplify right side
    17,576.76x = 257,689,232.09
  5. Step 5: Solve for x
    x = 257,689,232.09/17,576.76
  6. Step 6: Final answer
    x = 14,660.79

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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.