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Finding the Fourth Proportional to 10,328.72, 14,265.24 and 7,999.04

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Solution

The fourth proportional to 10,328.72, 14,265.24 and 7,999.04 is: 11,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.72 : 14,265.24 = 7,999.04 : x
  2. Step 2: Convert to fraction form
    10,328.72/14,265.24 = 7,999.04/x
  3. Step 3: Cross multiply
    10,328.72x = 14,265.24 × 7,999.04
  4. Step 4: Simplify right side
    10,328.72x = 114,108,225.37
  5. Step 5: Solve for x
    x = 114,108,225.37/10,328.72
  6. Step 6: Final answer
    x = 11,047.66

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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.