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Finding the Fourth Proportional to 1,363.86, 2,045.82 and 633.38

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Solution

The fourth proportional to 1,363.86, 2,045.82 and 633.38 is: 950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.86 : 2,045.82 = 633.38 : x
  2. Step 2: Convert to fraction form
    1,363.86/2,045.82 = 633.38/x
  3. Step 3: Cross multiply
    1,363.86x = 2,045.82 × 633.38
  4. Step 4: Simplify right side
    1,363.86x = 1,295,771.24
  5. Step 5: Solve for x
    x = 1,295,771.24/1,363.86
  6. Step 6: Final answer
    x = 950.08

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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.