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Finding the Fourth Proportional to 89,654.01, 134,480.88 and 27,324.51

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Solution

The fourth proportional to 89,654.01, 134,480.88 and 27,324.51 is: 40,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,654.01 : 134,480.88 = 27,324.51 : x
  2. Step 2: Convert to fraction form
    89,654.01/134,480.88 = 27,324.51/x
  3. Step 3: Cross multiply
    89,654.01x = 134,480.88 × 27,324.51
  4. Step 4: Simplify right side
    89,654.01x = 3,674,624,150.37
  5. Step 5: Solve for x
    x = 3,674,624,150.37/89,654.01
  6. Step 6: Final answer
    x = 40,986.72

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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.