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Finding the Fourth Proportional to 34,164.60, 51,299.70 and 18,612.60

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Solution

The fourth proportional to 34,164.60, 51,299.70 and 18,612.60 is: 27,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,164.60 : 51,299.70 = 18,612.60 : x
  2. Step 2: Convert to fraction form
    34,164.60/51,299.70 = 18,612.60/x
  3. Step 3: Cross multiply
    34,164.60x = 51,299.70 × 18,612.60
  4. Step 4: Simplify right side
    34,164.60x = 954,820,796.22
  5. Step 5: Solve for x
    x = 954,820,796.22/34,164.60
  6. Step 6: Final answer
    x = 27,947.67

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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.