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Finding the Fourth Proportional to 10,367.68, 15,553.41 and 4,125.70

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Solution

The fourth proportional to 10,367.68, 15,553.41 and 4,125.70 is: 6,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.68 : 15,553.41 = 4,125.70 : x
  2. Step 2: Convert to fraction form
    10,367.68/15,553.41 = 4,125.70/x
  3. Step 3: Cross multiply
    10,367.68x = 15,553.41 × 4,125.70
  4. Step 4: Simplify right side
    10,367.68x = 64,168,703.64
  5. Step 5: Solve for x
    x = 64,168,703.64/10,367.68
  6. Step 6: Final answer
    x = 6,189.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.