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Finding the Fourth Proportional to 69,212.48, 103,813.55 and 27,084.48

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Solution

The fourth proportional to 69,212.48, 103,813.55 and 27,084.48 is: 40,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,212.48 : 103,813.55 = 27,084.48 : x
  2. Step 2: Convert to fraction form
    69,212.48/103,813.55 = 27,084.48/x
  3. Step 3: Cross multiply
    69,212.48x = 103,813.55 × 27,084.48
  4. Step 4: Simplify right side
    69,212.48x = 2,811,735,595.55
  5. Step 5: Solve for x
    x = 2,811,735,595.55/69,212.48
  6. Step 6: Final answer
    x = 40,624.69

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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.