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Finding the Fourth Proportional to 16,840.12, 23,240.93 and 9,671.03

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Solution

The fourth proportional to 16,840.12, 23,240.93 and 9,671.03 is: 13,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.12 : 23,240.93 = 9,671.03 : x
  2. Step 2: Convert to fraction form
    16,840.12/23,240.93 = 9,671.03/x
  3. Step 3: Cross multiply
    16,840.12x = 23,240.93 × 9,671.03
  4. Step 4: Simplify right side
    16,840.12x = 224,763,566.70
  5. Step 5: Solve for x
    x = 224,763,566.70/16,840.12
  6. Step 6: Final answer
    x = 13,346.91

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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.