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Finding the Fourth Proportional to 10,328.87, 15,494.06 and 2,933.87

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Solution

The fourth proportional to 10,328.87, 15,494.06 and 2,933.87 is: 4,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.87 : 15,494.06 = 2,933.87 : x
  2. Step 2: Convert to fraction form
    10,328.87/15,494.06 = 2,933.87/x
  3. Step 3: Cross multiply
    10,328.87x = 15,494.06 × 2,933.87
  4. Step 4: Simplify right side
    10,328.87x = 45,457,487.68
  5. Step 5: Solve for x
    x = 45,457,487.68/10,328.87
  6. Step 6: Final answer
    x = 4,401.01

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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.