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Finding the Fourth Proportional to 19,662.74, 27,173.12 and 17,475.74

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Solution

The fourth proportional to 19,662.74, 27,173.12 and 17,475.74 is: 24,150.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.74 : 27,173.12 = 17,475.74 : x
  2. Step 2: Convert to fraction form
    19,662.74/27,173.12 = 17,475.74/x
  3. Step 3: Cross multiply
    19,662.74x = 27,173.12 × 17,475.74
  4. Step 4: Simplify right side
    19,662.74x = 474,870,380.11
  5. Step 5: Solve for x
    x = 474,870,380.11/19,662.74
  6. Step 6: Final answer
    x = 24,150.77

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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.