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Finding the Fourth Proportional to 15,310.60, 22,971.30 and 14,770.60

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Solution

The fourth proportional to 15,310.60, 22,971.30 and 14,770.60 is: 22,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.60 : 22,971.30 = 14,770.60 : x
  2. Step 2: Convert to fraction form
    15,310.60/22,971.30 = 14,770.60/x
  3. Step 3: Cross multiply
    15,310.60x = 22,971.30 × 14,770.60
  4. Step 4: Simplify right side
    15,310.60x = 339,299,883.78
  5. Step 5: Solve for x
    x = 339,299,883.78/15,310.60
  6. Step 6: Final answer
    x = 22,161.11

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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.