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Finding the Fourth Proportional to 55,745.40, 83,504.70 and 34,620.60

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Solution

The fourth proportional to 55,745.40, 83,504.70 and 34,620.60 is: 51,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745.40 : 83,504.70 = 34,620.60 : x
  2. Step 2: Convert to fraction form
    55,745.40/83,504.70 = 34,620.60/x
  3. Step 3: Cross multiply
    55,745.40x = 83,504.70 × 34,620.60
  4. Step 4: Simplify right side
    55,745.40x = 2,890,982,816.82
  5. Step 5: Solve for x
    x = 2,890,982,816.82/55,745.40
  6. Step 6: Final answer
    x = 51,860.47

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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.