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Finding the Fourth Proportional to 12,355.13, 17,050.08 and 6,766.13

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Solution

The fourth proportional to 12,355.13, 17,050.08 and 6,766.13 is: 9,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.13 : 17,050.08 = 6,766.13 : x
  2. Step 2: Convert to fraction form
    12,355.13/17,050.08 = 6,766.13/x
  3. Step 3: Cross multiply
    12,355.13x = 17,050.08 × 6,766.13
  4. Step 4: Simplify right side
    12,355.13x = 115,362,972.54
  5. Step 5: Solve for x
    x = 115,362,972.54/12,355.13
  6. Step 6: Final answer
    x = 9,337.26

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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.