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Finding the Fourth Proportional to 3,788.04, 5,681.24 and 1,154.96

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Solution

The fourth proportional to 3,788.04, 5,681.24 and 1,154.96 is: 1,732.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.04 : 5,681.24 = 1,154.96 : x
  2. Step 2: Convert to fraction form
    3,788.04/5,681.24 = 1,154.96/x
  3. Step 3: Cross multiply
    3,788.04x = 5,681.24 × 1,154.96
  4. Step 4: Simplify right side
    3,788.04x = 6,561,604.95
  5. Step 5: Solve for x
    x = 6,561,604.95/3,788.04
  6. Step 6: Final answer
    x = 1,732.19

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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.