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Finding the Fourth Proportional to 10,546.56, 14,555.70 and 6,354

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Solution

The fourth proportional to 10,546.56, 14,555.70 and 6,354 is: 8,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.56 : 14,555.70 = 6,354 : x
  2. Step 2: Convert to fraction form
    10,546.56/14,555.70 = 6,354/x
  3. Step 3: Cross multiply
    10,546.56x = 14,555.70 × 6,354
  4. Step 4: Simplify right side
    10,546.56x = 92,486,917.80
  5. Step 5: Solve for x
    x = 92,486,917.80/10,546.56
  6. Step 6: Final answer
    x = 8,769.39

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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.