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Finding the Fourth Proportional to 41,046.92, 61,579.88 and 12,969.76

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Solution

The fourth proportional to 41,046.92, 61,579.88 and 12,969.76 is: 19,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,046.92 : 61,579.88 = 12,969.76 : x
  2. Step 2: Convert to fraction form
    41,046.92/61,579.88 = 12,969.76/x
  3. Step 3: Cross multiply
    41,046.92x = 61,579.88 × 12,969.76
  4. Step 4: Simplify right side
    41,046.92x = 798,676,264.43
  5. Step 5: Solve for x
    x = 798,676,264.43/41,046.92
  6. Step 6: Final answer
    x = 19,457.64

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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.