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Finding the Fourth Proportional to 41,885.15, 62,824.65 and 12,305.30

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Solution

The fourth proportional to 41,885.15, 62,824.65 and 12,305.30 is: 18,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,885.15 : 62,824.65 = 12,305.30 : x
  2. Step 2: Convert to fraction form
    41,885.15/62,824.65 = 12,305.30/x
  3. Step 3: Cross multiply
    41,885.15x = 62,824.65 × 12,305.30
  4. Step 4: Simplify right side
    41,885.15x = 773,075,851.52
  5. Step 5: Solve for x
    x = 773,075,851.52/41,885.15
  6. Step 6: Final answer
    x = 18,457.04

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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.