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Finding the Fourth Proportional to 41,960, 62,940 and 12,776

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Solution

The fourth proportional to 41,960, 62,940 and 12,776 is: 19,164

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,960 : 62,940 = 12,776 : x
  2. Step 2: Convert to fraction form
    41,960/62,940 = 12,776/x
  3. Step 3: Cross multiply
    41,960x = 62,940 × 12,776
  4. Step 4: Simplify right side
    41,960x = 804,121,440
  5. Step 5: Solve for x
    x = 804,121,440/41,960
  6. Step 6: Final answer
    x = 19,164

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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.