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Finding the Fourth Proportional to 55,179.59, 82,770.14 and 15,736.70

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Solution

The fourth proportional to 55,179.59, 82,770.14 and 15,736.70 is: 23,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,179.59 : 82,770.14 = 15,736.70 : x
  2. Step 2: Convert to fraction form
    55,179.59/82,770.14 = 15,736.70/x
  3. Step 3: Cross multiply
    55,179.59x = 82,770.14 × 15,736.70
  4. Step 4: Simplify right side
    55,179.59x = 1,302,529,108.41
  5. Step 5: Solve for x
    x = 1,302,529,108.41/55,179.59
  6. Step 6: Final answer
    x = 23,605.27

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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.