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Finding the Fourth Proportional to 1,363.51, 2,043.17 and 632.24

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Solution

The fourth proportional to 1,363.51, 2,043.17 and 632.24 is: 947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.51 : 2,043.17 = 632.24 : x
  2. Step 2: Convert to fraction form
    1,363.51/2,043.17 = 632.24/x
  3. Step 3: Cross multiply
    1,363.51x = 2,043.17 × 632.24
  4. Step 4: Simplify right side
    1,363.51x = 1,291,773.80
  5. Step 5: Solve for x
    x = 1,291,773.80/1,363.51
  6. Step 6: Final answer
    x = 947.39

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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.