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Finding the Fourth Proportional to 50,351.49, 75,528.90 and 15,291

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Solution

The fourth proportional to 50,351.49, 75,528.90 and 15,291 is: 22,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,351.49 : 75,528.90 = 15,291 : x
  2. Step 2: Convert to fraction form
    50,351.49/75,528.90 = 15,291/x
  3. Step 3: Cross multiply
    50,351.49x = 75,528.90 × 15,291
  4. Step 4: Simplify right side
    50,351.49x = 1,154,912,409.90
  5. Step 5: Solve for x
    x = 1,154,912,409.90/50,351.49
  6. Step 6: Final answer
    x = 22,937.01

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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.