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Finding the Fourth Proportional to 8,043.38, 11,099.86 and 4,506.61

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Solution

The fourth proportional to 8,043.38, 11,099.86 and 4,506.61 is: 6,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.38 : 11,099.86 = 4,506.61 : x
  2. Step 2: Convert to fraction form
    8,043.38/11,099.86 = 4,506.61/x
  3. Step 3: Cross multiply
    8,043.38x = 11,099.86 × 4,506.61
  4. Step 4: Simplify right side
    8,043.38x = 50,022,740.07
  5. Step 5: Solve for x
    x = 50,022,740.07/8,043.38
  6. Step 6: Final answer
    x = 6,219.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.