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Finding the Fourth Proportional to 44,105.76, 66,169.62 and 12,941.10

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Solution

The fourth proportional to 44,105.76, 66,169.62 and 12,941.10 is: 19,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,105.76 : 66,169.62 = 12,941.10 : x
  2. Step 2: Convert to fraction form
    44,105.76/66,169.62 = 12,941.10/x
  3. Step 3: Cross multiply
    44,105.76x = 66,169.62 × 12,941.10
  4. Step 4: Simplify right side
    44,105.76x = 856,307,669.38
  5. Step 5: Solve for x
    x = 856,307,669.38/44,105.76
  6. Step 6: Final answer
    x = 19,414.87

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1.5x scale

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.