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Finding the Fourth Proportional to 10,393.11, 14,344.29 and 5,918.27

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Solution

The fourth proportional to 10,393.11, 14,344.29 and 5,918.27 is: 8,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.11 : 14,344.29 = 5,918.27 : x
  2. Step 2: Convert to fraction form
    10,393.11/14,344.29 = 5,918.27/x
  3. Step 3: Cross multiply
    10,393.11x = 14,344.29 × 5,918.27
  4. Step 4: Simplify right side
    10,393.11x = 84,893,309.46
  5. Step 5: Solve for x
    x = 84,893,309.46/10,393.11
  6. Step 6: Final answer
    x = 8,168.23

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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.