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Finding the Fourth Proportional to 20,206.60, 27,892.60 and 17,362.60

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Solution

The fourth proportional to 20,206.60, 27,892.60 and 17,362.60 is: 23,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.60 : 27,892.60 = 17,362.60 : x
  2. Step 2: Convert to fraction form
    20,206.60/27,892.60 = 17,362.60/x
  3. Step 3: Cross multiply
    20,206.60x = 27,892.60 × 17,362.60
  4. Step 4: Simplify right side
    20,206.60x = 484,288,056.76
  5. Step 5: Solve for x
    x = 484,288,056.76/20,206.60
  6. Step 6: Final answer
    x = 23,966.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.