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Finding the Fourth Proportional to 33,666.80, 50,500.20 and 14,946.80

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Solution

The fourth proportional to 33,666.80, 50,500.20 and 14,946.80 is: 22,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,666.80 : 50,500.20 = 14,946.80 : x
  2. Step 2: Convert to fraction form
    33,666.80/50,500.20 = 14,946.80/x
  3. Step 3: Cross multiply
    33,666.80x = 50,500.20 × 14,946.80
  4. Step 4: Simplify right side
    33,666.80x = 754,816,389.36
  5. Step 5: Solve for x
    x = 754,816,389.36/33,666.80
  6. Step 6: Final answer
    x = 22,420.20

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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.