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Finding the Fourth Proportional to 89,653.92, 134,480.79 and 27,324.42

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Solution

The fourth proportional to 89,653.92, 134,480.79 and 27,324.42 is: 40,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,653.92 : 134,480.79 = 27,324.42 : x
  2. Step 2: Convert to fraction form
    89,653.92/134,480.79 = 27,324.42/x
  3. Step 3: Cross multiply
    89,653.92x = 134,480.79 × 27,324.42
  4. Step 4: Simplify right side
    89,653.92x = 3,674,609,587.89
  5. Step 5: Solve for x
    x = 3,674,609,587.89/89,653.92
  6. Step 6: Final answer
    x = 40,986.60

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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.