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Finding the Fourth Proportional to 18,596.88, 27,901.80 and 6,913.44

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Solution

The fourth proportional to 18,596.88, 27,901.80 and 6,913.44 is: 10,372.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.88 : 27,901.80 = 6,913.44 : x
  2. Step 2: Convert to fraction form
    18,596.88/27,901.80 = 6,913.44/x
  3. Step 3: Cross multiply
    18,596.88x = 27,901.80 × 6,913.44
  4. Step 4: Simplify right side
    18,596.88x = 192,897,420.19
  5. Step 5: Solve for x
    x = 192,897,420.19/18,596.88
  6. Step 6: Final answer
    x = 10,372.57

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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.