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Finding the Fourth Proportional to 33,707.76, 50,545 and 10,328.56

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Solution

The fourth proportional to 33,707.76, 50,545 and 10,328.56 is: 15,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,707.76 : 50,545 = 10,328.56 : x
  2. Step 2: Convert to fraction form
    33,707.76/50,545 = 10,328.56/x
  3. Step 3: Cross multiply
    33,707.76x = 50,545 × 10,328.56
  4. Step 4: Simplify right side
    33,707.76x = 522,057,065.20
  5. Step 5: Solve for x
    x = 522,057,065.20/33,707.76
  6. Step 6: Final answer
    x = 15,487.74

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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.