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Finding the Fourth Proportional to 17,776.62, 26,664.84 and 4,628.70

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Solution

The fourth proportional to 17,776.62, 26,664.84 and 4,628.70 is: 6,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.62 : 26,664.84 = 4,628.70 : x
  2. Step 2: Convert to fraction form
    17,776.62/26,664.84 = 4,628.70/x
  3. Step 3: Cross multiply
    17,776.62x = 26,664.84 × 4,628.70
  4. Step 4: Simplify right side
    17,776.62x = 123,423,544.91
  5. Step 5: Solve for x
    x = 123,423,544.91/17,776.62
  6. Step 6: Final answer
    x = 6,943.03

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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.