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Finding the Fourth Proportional to 2,044.84, 3,066.96 and 657.99

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Solution

The fourth proportional to 2,044.84, 3,066.96 and 657.99 is: 986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.84 : 3,066.96 = 657.99 : x
  2. Step 2: Convert to fraction form
    2,044.84/3,066.96 = 657.99/x
  3. Step 3: Cross multiply
    2,044.84x = 3,066.96 × 657.99
  4. Step 4: Simplify right side
    2,044.84x = 2,018,029.01
  5. Step 5: Solve for x
    x = 2,018,029.01/2,044.84
  6. Step 6: Final answer
    x = 986.89

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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.