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Finding the Fourth Proportional to 9,805.95, 14,711.67 and 3,966.66

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Solution

The fourth proportional to 9,805.95, 14,711.67 and 3,966.66 is: 5,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.95 : 14,711.67 = 3,966.66 : x
  2. Step 2: Convert to fraction form
    9,805.95/14,711.67 = 3,966.66/x
  3. Step 3: Cross multiply
    9,805.95x = 14,711.67 × 3,966.66
  4. Step 4: Simplify right side
    9,805.95x = 58,356,192.92
  5. Step 5: Solve for x
    x = 58,356,192.92/9,805.95
  6. Step 6: Final answer
    x = 5,951.10

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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.