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Finding the Fourth Proportional to 10,894.64, 16,330.41 and 4,649.54

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Solution

The fourth proportional to 10,894.64, 16,330.41 and 4,649.54 is: 6,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.64 : 16,330.41 = 4,649.54 : x
  2. Step 2: Convert to fraction form
    10,894.64/16,330.41 = 4,649.54/x
  3. Step 3: Cross multiply
    10,894.64x = 16,330.41 × 4,649.54
  4. Step 4: Simplify right side
    10,894.64x = 75,928,812.86
  5. Step 5: Solve for x
    x = 75,928,812.86/10,894.64
  6. Step 6: Final answer
    x = 6,969.38

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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.