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Finding the Fourth Proportional to 10,882.86, 16,319.61 and 3,484.86

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Solution

The fourth proportional to 10,882.86, 16,319.61 and 3,484.86 is: 5,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.86 : 16,319.61 = 3,484.86 : x
  2. Step 2: Convert to fraction form
    10,882.86/16,319.61 = 3,484.86/x
  3. Step 3: Cross multiply
    10,882.86x = 16,319.61 × 3,484.86
  4. Step 4: Simplify right side
    10,882.86x = 56,871,556.10
  5. Step 5: Solve for x
    x = 56,871,556.10/10,882.86
  6. Step 6: Final answer
    x = 5,225.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.