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Finding the Fourth Proportional to 8,654.16, 11,941.86 and 5,116.68

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Solution

The fourth proportional to 8,654.16, 11,941.86 and 5,116.68 is: 7,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.16 : 11,941.86 = 5,116.68 : x
  2. Step 2: Convert to fraction form
    8,654.16/11,941.86 = 5,116.68/x
  3. Step 3: Cross multiply
    8,654.16x = 11,941.86 × 5,116.68
  4. Step 4: Simplify right side
    8,654.16x = 61,102,676.22
  5. Step 5: Solve for x
    x = 61,102,676.22/8,654.16
  6. Step 6: Final answer
    x = 7,060.50

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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.