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Finding the Fourth Proportional to 10,893.66, 16,340.52 and 3,102.54

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Solution

The fourth proportional to 10,893.66, 16,340.52 and 3,102.54 is: 4,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.66 : 16,340.52 = 3,102.54 : x
  2. Step 2: Convert to fraction form
    10,893.66/16,340.52 = 3,102.54/x
  3. Step 3: Cross multiply
    10,893.66x = 16,340.52 × 3,102.54
  4. Step 4: Simplify right side
    10,893.66x = 50,697,116.92
  5. Step 5: Solve for x
    x = 50,697,116.92/10,893.66
  6. Step 6: Final answer
    x = 4,653.82

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1.5x scale

Why These Related Problems?

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