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Finding the Fourth Proportional to 65,226.78, 89,992.56 and 36,542.60

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Solution

The fourth proportional to 65,226.78, 89,992.56 and 36,542.60 is: 50,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,226.78 : 89,992.56 = 36,542.60 : x
  2. Step 2: Convert to fraction form
    65,226.78/89,992.56 = 36,542.60/x
  3. Step 3: Cross multiply
    65,226.78x = 89,992.56 × 36,542.60
  4. Step 4: Simplify right side
    65,226.78x = 3,288,561,673.09
  5. Step 5: Solve for x
    x = 3,288,561,673.09/65,226.78
  6. Step 6: Final answer
    x = 50,417.35

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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.