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Finding the Fourth Proportional to 11,392.64, 17,103.72 and 10,924.64

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Solution

The fourth proportional to 11,392.64, 17,103.72 and 10,924.64 is: 16,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.64 : 17,103.72 = 10,924.64 : x
  2. Step 2: Convert to fraction form
    11,392.64/17,103.72 = 10,924.64/x
  3. Step 3: Cross multiply
    11,392.64x = 17,103.72 × 10,924.64
  4. Step 4: Simplify right side
    11,392.64x = 186,851,983.66
  5. Step 5: Solve for x
    x = 186,851,983.66/11,392.64
  6. Step 6: Final answer
    x = 16,401.11

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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.