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Finding the Fourth Proportional to 38,216.40, 57,324.60 and 26,406.60

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Solution

The fourth proportional to 38,216.40, 57,324.60 and 26,406.60 is: 39,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216.40 : 57,324.60 = 26,406.60 : x
  2. Step 2: Convert to fraction form
    38,216.40/57,324.60 = 26,406.60/x
  3. Step 3: Cross multiply
    38,216.40x = 57,324.60 × 26,406.60
  4. Step 4: Simplify right side
    38,216.40x = 1,513,747,782.36
  5. Step 5: Solve for x
    x = 1,513,747,782.36/38,216.40
  6. Step 6: Final answer
    x = 39,609.90

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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.