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Finding the Fourth Proportional to 17,358.62, 23,954.64 and 9,400.74

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Solution

The fourth proportional to 17,358.62, 23,954.64 and 9,400.74 is: 12,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358.62 : 23,954.64 = 9,400.74 : x
  2. Step 2: Convert to fraction form
    17,358.62/23,954.64 = 9,400.74/x
  3. Step 3: Cross multiply
    17,358.62x = 23,954.64 × 9,400.74
  4. Step 4: Simplify right side
    17,358.62x = 225,191,342.43
  5. Step 5: Solve for x
    x = 225,191,342.43/17,358.62
  6. Step 6: Final answer
    x = 12,972.88

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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.