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Finding the Fourth Proportional to 10,879.43, 15,013.47 and 6,099.35

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Solution

The fourth proportional to 10,879.43, 15,013.47 and 6,099.35 is: 8,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.43 : 15,013.47 = 6,099.35 : x
  2. Step 2: Convert to fraction form
    10,879.43/15,013.47 = 6,099.35/x
  3. Step 3: Cross multiply
    10,879.43x = 15,013.47 × 6,099.35
  4. Step 4: Simplify right side
    10,879.43x = 91,572,333.18
  5. Step 5: Solve for x
    x = 91,572,333.18/10,879.43
  6. Step 6: Final answer
    x = 8,417.02

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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.