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Finding the Fourth Proportional to 32,682.70, 49,040.28 and 12,960.82

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Solution

The fourth proportional to 32,682.70, 49,040.28 and 12,960.82 is: 19,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,682.70 : 49,040.28 = 12,960.82 : x
  2. Step 2: Convert to fraction form
    32,682.70/49,040.28 = 12,960.82/x
  3. Step 3: Cross multiply
    32,682.70x = 49,040.28 × 12,960.82
  4. Step 4: Simplify right side
    32,682.70x = 635,602,241.83
  5. Step 5: Solve for x
    x = 635,602,241.83/32,682.70
  6. Step 6: Final answer
    x = 19,447.67

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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.