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Finding the Fourth Proportional to 39,334.87, 54,280.23 and 22,336.87

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Solution

The fourth proportional to 39,334.87, 54,280.23 and 22,336.87 is: 30,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,334.87 : 54,280.23 = 22,336.87 : x
  2. Step 2: Convert to fraction form
    39,334.87/54,280.23 = 22,336.87/x
  3. Step 3: Cross multiply
    39,334.87x = 54,280.23 × 22,336.87
  4. Step 4: Simplify right side
    39,334.87x = 1,212,450,305.38
  5. Step 5: Solve for x
    x = 1,212,450,305.38/39,334.87
  6. Step 6: Final answer
    x = 30,823.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.