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Finding the Fourth Proportional to 45,696.88, 68,544.60 and 14,531.68

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Solution

The fourth proportional to 45,696.88, 68,544.60 and 14,531.68 is: 21,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,696.88 : 68,544.60 = 14,531.68 : x
  2. Step 2: Convert to fraction form
    45,696.88/68,544.60 = 14,531.68/x
  3. Step 3: Cross multiply
    45,696.88x = 68,544.60 × 14,531.68
  4. Step 4: Simplify right side
    45,696.88x = 996,068,192.93
  5. Step 5: Solve for x
    x = 996,068,192.93/45,696.88
  6. Step 6: Final answer
    x = 21,797.29

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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.