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Finding the Fourth Proportional to 11,713.66, 17,612.64 and 10,800.39

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Solution

The fourth proportional to 11,713.66, 17,612.64 and 10,800.39 is: 16,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.66 : 17,612.64 = 10,800.39 : x
  2. Step 2: Convert to fraction form
    11,713.66/17,612.64 = 10,800.39/x
  3. Step 3: Cross multiply
    11,713.66x = 17,612.64 × 10,800.39
  4. Step 4: Simplify right side
    11,713.66x = 190,223,292.87
  5. Step 5: Solve for x
    x = 190,223,292.87/11,713.66
  6. Step 6: Final answer
    x = 16,239.44

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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.