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Finding the Fourth Proportional to 50,674, 69,929.08 and 28,013.94

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Solution

The fourth proportional to 50,674, 69,929.08 and 28,013.94 is: 38,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,674 : 69,929.08 = 28,013.94 : x
  2. Step 2: Convert to fraction form
    50,674/69,929.08 = 28,013.94/x
  3. Step 3: Cross multiply
    50,674x = 69,929.08 × 28,013.94
  4. Step 4: Simplify right side
    50,674x = 1,958,989,051.38
  5. Step 5: Solve for x
    x = 1,958,989,051.38/50,674
  6. Step 6: Final answer
    x = 38,658.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.