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Finding the Fourth Proportional to 1,104.71, 1,654.73 and 756.41

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Solution

The fourth proportional to 1,104.71, 1,654.73 and 756.41 is: 1,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.71 : 1,654.73 = 756.41 : x
  2. Step 2: Convert to fraction form
    1,104.71/1,654.73 = 756.41/x
  3. Step 3: Cross multiply
    1,104.71x = 1,654.73 × 756.41
  4. Step 4: Simplify right side
    1,104.71x = 1,251,645.10
  5. Step 5: Solve for x
    x = 1,251,645.10/1,104.71
  6. Step 6: Final answer
    x = 1,133.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.