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Finding the Fourth Proportional to 55,272.58, 82,900.80 and 27,185.10

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Solution

The fourth proportional to 55,272.58, 82,900.80 and 27,185.10 is: 40,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.58 : 82,900.80 = 27,185.10 : x
  2. Step 2: Convert to fraction form
    55,272.58/82,900.80 = 27,185.10/x
  3. Step 3: Cross multiply
    55,272.58x = 82,900.80 × 27,185.10
  4. Step 4: Simplify right side
    55,272.58x = 2,253,666,538.08
  5. Step 5: Solve for x
    x = 2,253,666,538.08/55,272.58
  6. Step 6: Final answer
    x = 40,773.68

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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.