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Finding the Fourth Proportional to 50,935.88, 76,404.90 and 15,875.84

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Solution

The fourth proportional to 50,935.88, 76,404.90 and 15,875.84 is: 23,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,935.88 : 76,404.90 = 15,875.84 : x
  2. Step 2: Convert to fraction form
    50,935.88/76,404.90 = 15,875.84/x
  3. Step 3: Cross multiply
    50,935.88x = 76,404.90 × 15,875.84
  4. Step 4: Simplify right side
    50,935.88x = 1,212,991,967.62
  5. Step 5: Solve for x
    x = 1,212,991,967.62/50,935.88
  6. Step 6: Final answer
    x = 23,814.10

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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.