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Finding the Fourth Proportional to 23,274.60, 34,911.90 and 18,084.20

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Solution

The fourth proportional to 23,274.60, 34,911.90 and 18,084.20 is: 27,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,274.60 : 34,911.90 = 18,084.20 : x
  2. Step 2: Convert to fraction form
    23,274.60/34,911.90 = 18,084.20/x
  3. Step 3: Cross multiply
    23,274.60x = 34,911.90 × 18,084.20
  4. Step 4: Simplify right side
    23,274.60x = 631,353,781.98
  5. Step 5: Solve for x
    x = 631,353,781.98/23,274.60
  6. Step 6: Final answer
    x = 27,126.30

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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.