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Finding the Fourth Proportional to 77,262.44, 115,942.40 and 32,889.12

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Solution

The fourth proportional to 77,262.44, 115,942.40 and 32,889.12 is: 49,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262.44 : 115,942.40 = 32,889.12 : x
  2. Step 2: Convert to fraction form
    77,262.44/115,942.40 = 32,889.12/x
  3. Step 3: Cross multiply
    77,262.44x = 115,942.40 × 32,889.12
  4. Step 4: Simplify right side
    77,262.44x = 3,813,243,506.69
  5. Step 5: Solve for x
    x = 3,813,243,506.69/77,262.44
  6. Step 6: Final answer
    x = 49,354.43

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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.