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Finding the Fourth Proportional to 50,492.67, 75,739.10 and 18,901.45

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Solution

The fourth proportional to 50,492.67, 75,739.10 and 18,901.45 is: 28,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,492.67 : 75,739.10 = 18,901.45 : x
  2. Step 2: Convert to fraction form
    50,492.67/75,739.10 = 18,901.45/x
  3. Step 3: Cross multiply
    50,492.67x = 75,739.10 × 18,901.45
  4. Step 4: Simplify right side
    50,492.67x = 1,431,578,918.18
  5. Step 5: Solve for x
    x = 1,431,578,918.18/50,492.67
  6. Step 6: Final answer
    x = 28,352.21

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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.