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Finding the Fourth Proportional to 1,363.64, 2,044.32 and 632.84

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Solution

The fourth proportional to 1,363.64, 2,044.32 and 632.84 is: 948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.64 : 2,044.32 = 632.84 : x
  2. Step 2: Convert to fraction form
    1,363.64/2,044.32 = 632.84/x
  3. Step 3: Cross multiply
    1,363.64x = 2,044.32 × 632.84
  4. Step 4: Simplify right side
    1,363.64x = 1,293,727.47
  5. Step 5: Solve for x
    x = 1,293,727.47/1,363.64
  6. Step 6: Final answer
    x = 948.73

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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.