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Finding the Fourth Proportional to 46,414.80, 69,660.60 and 21,493.20

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Solution

The fourth proportional to 46,414.80, 69,660.60 and 21,493.20 is: 32,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,414.80 : 69,660.60 = 21,493.20 : x
  2. Step 2: Convert to fraction form
    46,414.80/69,660.60 = 21,493.20/x
  3. Step 3: Cross multiply
    46,414.80x = 69,660.60 × 21,493.20
  4. Step 4: Simplify right side
    46,414.80x = 1,497,229,207.92
  5. Step 5: Solve for x
    x = 1,497,229,207.92/46,414.80
  6. Step 6: Final answer
    x = 32,257.58

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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.