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Finding the Fourth Proportional to 18,174.84, 25,048.62 and 13,450.92

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Solution

The fourth proportional to 18,174.84, 25,048.62 and 13,450.92 is: 18,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.84 : 25,048.62 = 13,450.92 : x
  2. Step 2: Convert to fraction form
    18,174.84/25,048.62 = 13,450.92/x
  3. Step 3: Cross multiply
    18,174.84x = 25,048.62 × 13,450.92
  4. Step 4: Simplify right side
    18,174.84x = 336,926,983.73
  5. Step 5: Solve for x
    x = 336,926,983.73/18,174.84
  6. Step 6: Final answer
    x = 18,538.10

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.