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Finding the Fourth Proportional to 49,868.92, 74,803.68 and 41,068.06

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Solution

The fourth proportional to 49,868.92, 74,803.68 and 41,068.06 is: 61,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.92 : 74,803.68 = 41,068.06 : x
  2. Step 2: Convert to fraction form
    49,868.92/74,803.68 = 41,068.06/x
  3. Step 3: Cross multiply
    49,868.92x = 74,803.68 × 41,068.06
  4. Step 4: Simplify right side
    49,868.92x = 3,072,042,136.72
  5. Step 5: Solve for x
    x = 3,072,042,136.72/49,868.92
  6. Step 6: Final answer
    x = 61,602.34

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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.