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Finding the Fourth Proportional to 33,018.80, 49,528.20 and 15,522.80

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Solution

The fourth proportional to 33,018.80, 49,528.20 and 15,522.80 is: 23,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,018.80 : 49,528.20 = 15,522.80 : x
  2. Step 2: Convert to fraction form
    33,018.80/49,528.20 = 15,522.80/x
  3. Step 3: Cross multiply
    33,018.80x = 49,528.20 × 15,522.80
  4. Step 4: Simplify right side
    33,018.80x = 768,816,342.96
  5. Step 5: Solve for x
    x = 768,816,342.96/33,018.80
  6. Step 6: Final answer
    x = 23,284.20

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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.