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Finding the Fourth Proportional to 2,044.41, 3,066.55 and 657.84

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Solution

The fourth proportional to 2,044.41, 3,066.55 and 657.84 is: 986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.41 : 3,066.55 = 657.84 : x
  2. Step 2: Convert to fraction form
    2,044.41/3,066.55 = 657.84/x
  3. Step 3: Cross multiply
    2,044.41x = 3,066.55 × 657.84
  4. Step 4: Simplify right side
    2,044.41x = 2,017,299.25
  5. Step 5: Solve for x
    x = 2,017,299.25/2,044.41
  6. Step 6: Final answer
    x = 986.74

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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.