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Finding the Fourth Proportional to 73,665.62, 110,553.42 and 49,916.84

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Solution

The fourth proportional to 73,665.62, 110,553.42 and 49,916.84 is: 74,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,665.62 : 110,553.42 = 49,916.84 : x
  2. Step 2: Convert to fraction form
    73,665.62/110,553.42 = 49,916.84/x
  3. Step 3: Cross multiply
    73,665.62x = 110,553.42 × 49,916.84
  4. Step 4: Simplify right side
    73,665.62x = 5,518,477,012.01
  5. Step 5: Solve for x
    x = 5,518,477,012.01/73,665.62
  6. Step 6: Final answer
    x = 74,912.52

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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.