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Finding the Fourth Proportional to 55,729.40, 83,524.98 and 27,619.16

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Solution

The fourth proportional to 55,729.40, 83,524.98 and 27,619.16 is: 41,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729.40 : 83,524.98 = 27,619.16 : x
  2. Step 2: Convert to fraction form
    55,729.40/83,524.98 = 27,619.16/x
  3. Step 3: Cross multiply
    55,729.40x = 83,524.98 × 27,619.16
  4. Step 4: Simplify right side
    55,729.40x = 2,306,889,786.62
  5. Step 5: Solve for x
    x = 2,306,889,786.62/55,729.40
  6. Step 6: Final answer
    x = 41,394.48

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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.