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Finding the Fourth Proportional to 1,654.34, 2,477.84 and 1,103.94

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Solution

The fourth proportional to 1,654.34, 2,477.84 and 1,103.94 is: 1,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.34 : 2,477.84 = 1,103.94 : x
  2. Step 2: Convert to fraction form
    1,654.34/2,477.84 = 1,103.94/x
  3. Step 3: Cross multiply
    1,654.34x = 2,477.84 × 1,103.94
  4. Step 4: Simplify right side
    1,654.34x = 2,735,389.45
  5. Step 5: Solve for x
    x = 2,735,389.45/1,654.34
  6. Step 6: Final answer
    x = 1,653.47

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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.