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Finding the Fourth Proportional to 20,532.60, 30,796.74 and 8,844.12

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Solution

The fourth proportional to 20,532.60, 30,796.74 and 8,844.12 is: 13,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.60 : 30,796.74 = 8,844.12 : x
  2. Step 2: Convert to fraction form
    20,532.60/30,796.74 = 8,844.12/x
  3. Step 3: Cross multiply
    20,532.60x = 30,796.74 × 8,844.12
  4. Step 4: Simplify right side
    20,532.60x = 272,370,064.17
  5. Step 5: Solve for x
    x = 272,370,064.17/20,532.60
  6. Step 6: Final answer
    x = 13,265.25

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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.