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Finding the Fourth Proportional to 28,053.80, 41,916.36 and 27,072.71

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Solution

The fourth proportional to 28,053.80, 41,916.36 and 27,072.71 is: 40,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.80 : 41,916.36 = 27,072.71 : x
  2. Step 2: Convert to fraction form
    28,053.80/41,916.36 = 27,072.71/x
  3. Step 3: Cross multiply
    28,053.80x = 41,916.36 × 27,072.71
  4. Step 4: Simplify right side
    28,053.80x = 1,134,789,458.54
  5. Step 5: Solve for x
    x = 1,134,789,458.54/28,053.80
  6. Step 6: Final answer
    x = 40,450.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.