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Finding the Fourth Proportional to 8,051.52, 12,090.24 and 4,992.96

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Solution

The fourth proportional to 8,051.52, 12,090.24 and 4,992.96 is: 7,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.52 : 12,090.24 = 4,992.96 : x
  2. Step 2: Convert to fraction form
    8,051.52/12,090.24 = 4,992.96/x
  3. Step 3: Cross multiply
    8,051.52x = 12,090.24 × 4,992.96
  4. Step 4: Simplify right side
    8,051.52x = 60,366,084.71
  5. Step 5: Solve for x
    x = 60,366,084.71/8,051.52
  6. Step 6: Final answer
    x = 7,497.48

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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.