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Finding the Fourth Proportional to 10,535.40, 14,538.82 and 5,819.68

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Solution

The fourth proportional to 10,535.40, 14,538.82 and 5,819.68 is: 8,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.40 : 14,538.82 = 5,819.68 : x
  2. Step 2: Convert to fraction form
    10,535.40/14,538.82 = 5,819.68/x
  3. Step 3: Cross multiply
    10,535.40x = 14,538.82 × 5,819.68
  4. Step 4: Simplify right side
    10,535.40x = 84,611,279.98
  5. Step 5: Solve for x
    x = 84,611,279.98/10,535.40
  6. Step 6: Final answer
    x = 8,031.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.