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Finding the Fourth Proportional to 45,160.60, 67,611.30 and 27,664.60

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Solution

The fourth proportional to 45,160.60, 67,611.30 and 27,664.60 is: 41,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,160.60 : 67,611.30 = 27,664.60 : x
  2. Step 2: Convert to fraction form
    45,160.60/67,611.30 = 27,664.60/x
  3. Step 3: Cross multiply
    45,160.60x = 67,611.30 × 27,664.60
  4. Step 4: Simplify right side
    45,160.60x = 1,870,439,569.98
  5. Step 5: Solve for x
    x = 1,870,439,569.98/45,160.60
  6. Step 6: Final answer
    x = 41,417.51

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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.