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Finding the Fourth Proportional to 33,687.45, 50,516.49 and 9,666.45

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Solution

The fourth proportional to 33,687.45, 50,516.49 and 9,666.45 is: 14,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687.45 : 50,516.49 = 9,666.45 : x
  2. Step 2: Convert to fraction form
    33,687.45/50,516.49 = 9,666.45/x
  3. Step 3: Cross multiply
    33,687.45x = 50,516.49 × 9,666.45
  4. Step 4: Simplify right side
    33,687.45x = 488,315,124.76
  5. Step 5: Solve for x
    x = 488,315,124.76/33,687.45
  6. Step 6: Final answer
    x = 14,495.46

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1.5x scale

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.