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Finding the Fourth Proportional to 18,594.94, 27,892.44 and 13,072.98

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Solution

The fourth proportional to 18,594.94, 27,892.44 and 13,072.98 is: 19,609.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.94 : 27,892.44 = 13,072.98 : x
  2. Step 2: Convert to fraction form
    18,594.94/27,892.44 = 13,072.98/x
  3. Step 3: Cross multiply
    18,594.94x = 27,892.44 × 13,072.98
  4. Step 4: Simplify right side
    18,594.94x = 364,637,310.27
  5. Step 5: Solve for x
    x = 364,637,310.27/18,594.94
  6. Step 6: Final answer
    x = 19,609.49

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Half scale
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Double scale
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Similar ratio
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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.