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Finding the Fourth Proportional to 50,651.50, 75,978.23 and 15,591.13

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Solution

The fourth proportional to 50,651.50, 75,978.23 and 15,591.13 is: 23,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.50 : 75,978.23 = 15,591.13 : x
  2. Step 2: Convert to fraction form
    50,651.50/75,978.23 = 15,591.13/x
  3. Step 3: Cross multiply
    50,651.50x = 75,978.23 × 15,591.13
  4. Step 4: Simplify right side
    50,651.50x = 1,184,586,461.10
  5. Step 5: Solve for x
    x = 1,184,586,461.10/50,651.50
  6. Step 6: Final answer
    x = 23,387.00

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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.