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Finding the Fourth Proportional to 17,928.29, 26,892.20 and 8,060.60

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Solution

The fourth proportional to 17,928.29, 26,892.20 and 8,060.60 is: 12,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.29 : 26,892.20 = 8,060.60 : x
  2. Step 2: Convert to fraction form
    17,928.29/26,892.20 = 8,060.60/x
  3. Step 3: Cross multiply
    17,928.29x = 26,892.20 × 8,060.60
  4. Step 4: Simplify right side
    17,928.29x = 216,767,354.70
  5. Step 5: Solve for x
    x = 216,767,354.70/17,928.29
  6. Step 6: Final answer
    x = 12,090.80

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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.