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Finding the Fourth Proportional to 22,420.60, 33,629.68 and 6,837

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Solution

The fourth proportional to 22,420.60, 33,629.68 and 6,837 is: 10,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.60 : 33,629.68 = 6,837 : x
  2. Step 2: Convert to fraction form
    22,420.60/33,629.68 = 6,837/x
  3. Step 3: Cross multiply
    22,420.60x = 33,629.68 × 6,837
  4. Step 4: Simplify right side
    22,420.60x = 229,926,122.16
  5. Step 5: Solve for x
    x = 229,926,122.16/22,420.60
  6. Step 6: Final answer
    x = 10,255.13

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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.