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Finding the Fourth Proportional to 10,892.12, 15,035.72 and 7,360.11

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Solution

The fourth proportional to 10,892.12, 15,035.72 and 7,360.11 is: 10,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.12 : 15,035.72 = 7,360.11 : x
  2. Step 2: Convert to fraction form
    10,892.12/15,035.72 = 7,360.11/x
  3. Step 3: Cross multiply
    10,892.12x = 15,035.72 × 7,360.11
  4. Step 4: Simplify right side
    10,892.12x = 110,664,516.33
  5. Step 5: Solve for x
    x = 110,664,516.33/10,892.12
  6. Step 6: Final answer
    x = 10,160.06

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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.