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Finding the Fourth Proportional to 51,806.99, 77,710.68 and 14,369.99

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Solution

The fourth proportional to 51,806.99, 77,710.68 and 14,369.99 is: 21,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.99 : 77,710.68 = 14,369.99 : x
  2. Step 2: Convert to fraction form
    51,806.99/77,710.68 = 14,369.99/x
  3. Step 3: Cross multiply
    51,806.99x = 77,710.68 × 14,369.99
  4. Step 4: Simplify right side
    51,806.99x = 1,116,701,694.49
  5. Step 5: Solve for x
    x = 1,116,701,694.49/51,806.99
  6. Step 6: Final answer
    x = 21,555.04

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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.