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Finding the Fourth Proportional to 55,092.44, 82,597.62 and 21,785.24

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Solution

The fourth proportional to 55,092.44, 82,597.62 and 21,785.24 is: 32,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,092.44 : 82,597.62 = 21,785.24 : x
  2. Step 2: Convert to fraction form
    55,092.44/82,597.62 = 21,785.24/x
  3. Step 3: Cross multiply
    55,092.44x = 82,597.62 × 21,785.24
  4. Step 4: Simplify right side
    55,092.44x = 1,799,408,975.13
  5. Step 5: Solve for x
    x = 1,799,408,975.13/55,092.44
  6. Step 6: Final answer
    x = 32,661.63

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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.