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Finding the Fourth Proportional to 10,165.95, 14,023.32 and 5,916.51

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Solution

The fourth proportional to 10,165.95, 14,023.32 and 5,916.51 is: 8,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.95 : 14,023.32 = 5,916.51 : x
  2. Step 2: Convert to fraction form
    10,165.95/14,023.32 = 5,916.51/x
  3. Step 3: Cross multiply
    10,165.95x = 14,023.32 × 5,916.51
  4. Step 4: Simplify right side
    10,165.95x = 82,969,113.01
  5. Step 5: Solve for x
    x = 82,969,113.01/10,165.95
  6. Step 6: Final answer
    x = 8,161.47

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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.