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Finding the Fourth Proportional to 52,803.44, 79,329.02 and 49,814.48

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Solution

The fourth proportional to 52,803.44, 79,329.02 and 49,814.48 is: 74,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,803.44 : 79,329.02 = 49,814.48 : x
  2. Step 2: Convert to fraction form
    52,803.44/79,329.02 = 49,814.48/x
  3. Step 3: Cross multiply
    52,803.44x = 79,329.02 × 49,814.48
  4. Step 4: Simplify right side
    52,803.44x = 3,951,733,880.21
  5. Step 5: Solve for x
    x = 3,951,733,880.21/52,803.44
  6. Step 6: Final answer
    x = 74,838.57

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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.