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Finding the Fourth Proportional to 34,480.76, 47,583.48 and 19,576.76

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Solution

The fourth proportional to 34,480.76, 47,583.48 and 19,576.76 is: 27,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,480.76 : 47,583.48 = 19,576.76 : x
  2. Step 2: Convert to fraction form
    34,480.76/47,583.48 = 19,576.76/x
  3. Step 3: Cross multiply
    34,480.76x = 47,583.48 × 19,576.76
  4. Step 4: Simplify right side
    34,480.76x = 931,530,367.92
  5. Step 5: Solve for x
    x = 931,530,367.92/34,480.76
  6. Step 6: Final answer
    x = 27,015.95

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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.