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Finding the Fourth Proportional to 18,794.60, 28,228.06 and 18,037.32

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Solution

The fourth proportional to 18,794.60, 28,228.06 and 18,037.32 is: 27,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.60 : 28,228.06 = 18,037.32 : x
  2. Step 2: Convert to fraction form
    18,794.60/28,228.06 = 18,037.32/x
  3. Step 3: Cross multiply
    18,794.60x = 28,228.06 × 18,037.32
  4. Step 4: Simplify right side
    18,794.60x = 509,158,551.20
  5. Step 5: Solve for x
    x = 509,158,551.20/18,794.60
  6. Step 6: Final answer
    x = 27,090.68

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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.