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Finding the Fourth Proportional to 17,492.20, 26,199.90 and 15,546.60

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Solution

The fourth proportional to 17,492.20, 26,199.90 and 15,546.60 is: 23,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,492.20 : 26,199.90 = 15,546.60 : x
  2. Step 2: Convert to fraction form
    17,492.20/26,199.90 = 15,546.60/x
  3. Step 3: Cross multiply
    17,492.20x = 26,199.90 × 15,546.60
  4. Step 4: Simplify right side
    17,492.20x = 407,319,365.34
  5. Step 5: Solve for x
    x = 407,319,365.34/17,492.20
  6. Step 6: Final answer
    x = 23,285.77

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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.