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Finding the Fourth Proportional to 43,507.54, 65,290.47 and 27,936.10

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Solution

The fourth proportional to 43,507.54, 65,290.47 and 27,936.10 is: 41,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,507.54 : 65,290.47 = 27,936.10 : x
  2. Step 2: Convert to fraction form
    43,507.54/65,290.47 = 27,936.10/x
  3. Step 3: Cross multiply
    43,507.54x = 65,290.47 × 27,936.10
  4. Step 4: Simplify right side
    43,507.54x = 1,823,960,632.83
  5. Step 5: Solve for x
    x = 1,823,960,632.83/43,507.54
  6. Step 6: Final answer
    x = 41,922.87

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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.