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Finding the Fourth Proportional to 25,005.94, 34,506.77 and 13,673.34

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Solution

The fourth proportional to 25,005.94, 34,506.77 and 13,673.34 is: 18,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.94 : 34,506.77 = 13,673.34 : x
  2. Step 2: Convert to fraction form
    25,005.94/34,506.77 = 13,673.34/x
  3. Step 3: Cross multiply
    25,005.94x = 34,506.77 × 13,673.34
  4. Step 4: Simplify right side
    25,005.94x = 471,822,730.15
  5. Step 5: Solve for x
    x = 471,822,730.15/25,005.94
  6. Step 6: Final answer
    x = 18,868.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.