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Finding the Fourth Proportional to 3,805.77, 5,708.14 and 1,032.62

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Solution

The fourth proportional to 3,805.77, 5,708.14 and 1,032.62 is: 1,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.77 : 5,708.14 = 1,032.62 : x
  2. Step 2: Convert to fraction form
    3,805.77/5,708.14 = 1,032.62/x
  3. Step 3: Cross multiply
    3,805.77x = 5,708.14 × 1,032.62
  4. Step 4: Simplify right side
    3,805.77x = 5,894,339.53
  5. Step 5: Solve for x
    x = 5,894,339.53/3,805.77
  6. Step 6: Final answer
    x = 1,548.79

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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.