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Finding the Fourth Proportional to 18,797.58, 28,189.08 and 10,027.71

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Solution

The fourth proportional to 18,797.58, 28,189.08 and 10,027.71 is: 15,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.58 : 28,189.08 = 10,027.71 : x
  2. Step 2: Convert to fraction form
    18,797.58/28,189.08 = 10,027.71/x
  3. Step 3: Cross multiply
    18,797.58x = 28,189.08 × 10,027.71
  4. Step 4: Simplify right side
    18,797.58x = 282,671,919.41
  5. Step 5: Solve for x
    x = 282,671,919.41/18,797.58
  6. Step 6: Final answer
    x = 15,037.68

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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.