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Finding the Fourth Proportional to 20,522.84, 30,784.23 and 6,671.84

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Solution

The fourth proportional to 20,522.84, 30,784.23 and 6,671.84 is: 10,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.84 : 30,784.23 = 6,671.84 : x
  2. Step 2: Convert to fraction form
    20,522.84/30,784.23 = 6,671.84/x
  3. Step 3: Cross multiply
    20,522.84x = 30,784.23 × 6,671.84
  4. Step 4: Simplify right side
    20,522.84x = 205,387,303.16
  5. Step 5: Solve for x
    x = 205,387,303.16/20,522.84
  6. Step 6: Final answer
    x = 10,007.75

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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.