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Finding the Fourth Proportional to 82,388.88, 113,692.21 and 46,576.76

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Solution

The fourth proportional to 82,388.88, 113,692.21 and 46,576.76 is: 64,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,388.88 : 113,692.21 = 46,576.76 : x
  2. Step 2: Convert to fraction form
    82,388.88/113,692.21 = 46,576.76/x
  3. Step 3: Cross multiply
    82,388.88x = 113,692.21 × 46,576.76
  4. Step 4: Simplify right side
    82,388.88x = 5,295,414,094.14
  5. Step 5: Solve for x
    x = 5,295,414,094.14/82,388.88
  6. Step 6: Final answer
    x = 64,273.41

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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.