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Finding the Fourth Proportional to 41,114.60, 61,650.30 and 14,815.40

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Solution

The fourth proportional to 41,114.60, 61,650.30 and 14,815.40 is: 22,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,114.60 : 61,650.30 = 14,815.40 : x
  2. Step 2: Convert to fraction form
    41,114.60/61,650.30 = 14,815.40/x
  3. Step 3: Cross multiply
    41,114.60x = 61,650.30 × 14,815.40
  4. Step 4: Simplify right side
    41,114.60x = 913,373,854.62
  5. Step 5: Solve for x
    x = 913,373,854.62/41,114.60
  6. Step 6: Final answer
    x = 22,215.32

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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.