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Finding the Fourth Proportional to 18,164.60, 27,246.90 and 5,852.60

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Solution

The fourth proportional to 18,164.60, 27,246.90 and 5,852.60 is: 8,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.60 : 27,246.90 = 5,852.60 : x
  2. Step 2: Convert to fraction form
    18,164.60/27,246.90 = 5,852.60/x
  3. Step 3: Cross multiply
    18,164.60x = 27,246.90 × 5,852.60
  4. Step 4: Simplify right side
    18,164.60x = 159,465,206.94
  5. Step 5: Solve for x
    x = 159,465,206.94/18,164.60
  6. Step 6: Final answer
    x = 8,778.90

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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.