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Finding the Fourth Proportional to 10,665.32, 14,718.12 and 5,949.32

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Solution

The fourth proportional to 10,665.32, 14,718.12 and 5,949.32 is: 8,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.32 : 14,718.12 = 5,949.32 : x
  2. Step 2: Convert to fraction form
    10,665.32/14,718.12 = 5,949.32/x
  3. Step 3: Cross multiply
    10,665.32x = 14,718.12 × 5,949.32
  4. Step 4: Simplify right side
    10,665.32x = 87,562,805.68
  5. Step 5: Solve for x
    x = 87,562,805.68/10,665.32
  6. Step 6: Final answer
    x = 8,210.05

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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.