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Finding the Fourth Proportional to 1,363.23, 2,043.93 and 632.41

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Solution

The fourth proportional to 1,363.23, 2,043.93 and 632.41 is: 948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.23 : 2,043.93 = 632.41 : x
  2. Step 2: Convert to fraction form
    1,363.23/2,043.93 = 632.41/x
  3. Step 3: Cross multiply
    1,363.23x = 2,043.93 × 632.41
  4. Step 4: Simplify right side
    1,363.23x = 1,292,599.03
  5. Step 5: Solve for x
    x = 1,292,599.03/1,363.23
  6. Step 6: Final answer
    x = 948.19

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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.