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Finding the Fourth Proportional to 46,640.60, 69,912.30 and 25,548.20

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Solution

The fourth proportional to 46,640.60, 69,912.30 and 25,548.20 is: 38,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,640.60 : 69,912.30 = 25,548.20 : x
  2. Step 2: Convert to fraction form
    46,640.60/69,912.30 = 25,548.20/x
  3. Step 3: Cross multiply
    46,640.60x = 69,912.30 × 25,548.20
  4. Step 4: Simplify right side
    46,640.60x = 1,786,133,422.86
  5. Step 5: Solve for x
    x = 1,786,133,422.86/46,640.60
  6. Step 6: Final answer
    x = 38,295.68

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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.