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Finding the Fourth Proportional to 10,662.10, 14,719.73 and 7,393.75

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Solution

The fourth proportional to 10,662.10, 14,719.73 and 7,393.75 is: 10,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.10 : 14,719.73 = 7,393.75 : x
  2. Step 2: Convert to fraction form
    10,662.10/14,719.73 = 7,393.75/x
  3. Step 3: Cross multiply
    10,662.10x = 14,719.73 × 7,393.75
  4. Step 4: Simplify right side
    10,662.10x = 108,833,929.92
  5. Step 5: Solve for x
    x = 108,833,929.92/10,662.10
  6. Step 6: Final answer
    x = 10,207.55

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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.