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Finding the Fourth Proportional to 8,033.34, 12,063.79 and 4,931.56

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Solution

The fourth proportional to 8,033.34, 12,063.79 and 4,931.56 is: 7,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033.34 : 12,063.79 = 4,931.56 : x
  2. Step 2: Convert to fraction form
    8,033.34/12,063.79 = 4,931.56/x
  3. Step 3: Cross multiply
    8,033.34x = 12,063.79 × 4,931.56
  4. Step 4: Simplify right side
    8,033.34x = 59,493,304.21
  5. Step 5: Solve for x
    x = 59,493,304.21/8,033.34
  6. Step 6: Final answer
    x = 7,405.80

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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.