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Finding the Fourth Proportional to 20,084.70, 30,121.65 and 6,044.70

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Solution

The fourth proportional to 20,084.70, 30,121.65 and 6,044.70 is: 9,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.70 : 30,121.65 = 6,044.70 : x
  2. Step 2: Convert to fraction form
    20,084.70/30,121.65 = 6,044.70/x
  3. Step 3: Cross multiply
    20,084.70x = 30,121.65 × 6,044.70
  4. Step 4: Simplify right side
    20,084.70x = 182,076,337.76
  5. Step 5: Solve for x
    x = 182,076,337.76/20,084.70
  6. Step 6: Final answer
    x = 9,065.42

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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.