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Finding the Fourth Proportional to 7,455.68, 11,192.16 and 3,999.68

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Solution

The fourth proportional to 7,455.68, 11,192.16 and 3,999.68 is: 6,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.68 : 11,192.16 = 3,999.68 : x
  2. Step 2: Convert to fraction form
    7,455.68/11,192.16 = 3,999.68/x
  3. Step 3: Cross multiply
    7,455.68x = 11,192.16 × 3,999.68
  4. Step 4: Simplify right side
    7,455.68x = 44,765,058.51
  5. Step 5: Solve for x
    x = 44,765,058.51/7,455.68
  6. Step 6: Final answer
    x = 6,004.16

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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.