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Finding the Fourth Proportional to 10,674,297.92, 16,012,431.18 and 3,485,869.49

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Solution

The fourth proportional to 10,674,297.92, 16,012,431.18 and 3,485,869.49 is: 5,229,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,674,297.92 : 16,012,431.18 = 3,485,869.49 : x
  2. Step 2: Convert to fraction form
    10,674,297.92/16,012,431.18 = 3,485,869.49/x
  3. Step 3: Cross multiply
    10,674,297.92x = 16,012,431.18 × 3,485,869.49
  4. Step 4: Simplify right side
    10,674,297.92x = 55,817,245,213,595.20
  5. Step 5: Solve for x
    x = 55,817,245,213,595.20/10,674,297.92
  6. Step 6: Final answer
    x = 5,229,125.67

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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.