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Finding the Fourth Proportional to 18,473.42, 27,712.56 and 6,794.84

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Solution

The fourth proportional to 18,473.42, 27,712.56 and 6,794.84 is: 10,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.42 : 27,712.56 = 6,794.84 : x
  2. Step 2: Convert to fraction form
    18,473.42/27,712.56 = 6,794.84/x
  3. Step 3: Cross multiply
    18,473.42x = 27,712.56 × 6,794.84
  4. Step 4: Simplify right side
    18,473.42x = 188,302,411.19
  5. Step 5: Solve for x
    x = 188,302,411.19/18,473.42
  6. Step 6: Final answer
    x = 10,193.15

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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.