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Finding the Fourth Proportional to 1,104.13, 1,523.64 and 632.04

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Solution

The fourth proportional to 1,104.13, 1,523.64 and 632.04 is: 872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.13 : 1,523.64 = 632.04 : x
  2. Step 2: Convert to fraction form
    1,104.13/1,523.64 = 632.04/x
  3. Step 3: Cross multiply
    1,104.13x = 1,523.64 × 632.04
  4. Step 4: Simplify right side
    1,104.13x = 963,001.43
  5. Step 5: Solve for x
    x = 963,001.43/1,104.13
  6. Step 6: Final answer
    x = 872.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.