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Finding the Fourth Proportional to 18,562.58, 27,841.63 and 5,236.58

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Solution

The fourth proportional to 18,562.58, 27,841.63 and 5,236.58 is: 7,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.58 : 27,841.63 = 5,236.58 : x
  2. Step 2: Convert to fraction form
    18,562.58/27,841.63 = 5,236.58/x
  3. Step 3: Cross multiply
    18,562.58x = 27,841.63 × 5,236.58
  4. Step 4: Simplify right side
    18,562.58x = 145,794,922.83
  5. Step 5: Solve for x
    x = 145,794,922.83/18,562.58
  6. Step 6: Final answer
    x = 7,854.24

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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.