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Finding the Fourth Proportional to 74,576.21, 111,848.12 and 24,644.48

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Solution

The fourth proportional to 74,576.21, 111,848.12 and 24,644.48 is: 36,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,576.21 : 111,848.12 = 24,644.48 : x
  2. Step 2: Convert to fraction form
    74,576.21/111,848.12 = 24,644.48/x
  3. Step 3: Cross multiply
    74,576.21x = 111,848.12 × 24,644.48
  4. Step 4: Simplify right side
    74,576.21x = 2,756,438,633.16
  5. Step 5: Solve for x
    x = 2,756,438,633.16/74,576.21
  6. Step 6: Final answer
    x = 36,961.37

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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.