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Finding the Fourth Proportional to 3,103.58, 4,655.54 and 1,254.42

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Solution

The fourth proportional to 3,103.58, 4,655.54 and 1,254.42 is: 1,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.58 : 4,655.54 = 1,254.42 : x
  2. Step 2: Convert to fraction form
    3,103.58/4,655.54 = 1,254.42/x
  3. Step 3: Cross multiply
    3,103.58x = 4,655.54 × 1,254.42
  4. Step 4: Simplify right side
    3,103.58x = 5,840,005.62
  5. Step 5: Solve for x
    x = 5,840,005.62/3,103.58
  6. Step 6: Final answer
    x = 1,881.70

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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.