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Finding the Fourth Proportional to 8,322.10, 12,482.73 and 3,056.70

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Solution

The fourth proportional to 8,322.10, 12,482.73 and 3,056.70 is: 4,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.10 : 12,482.73 = 3,056.70 : x
  2. Step 2: Convert to fraction form
    8,322.10/12,482.73 = 3,056.70/x
  3. Step 3: Cross multiply
    8,322.10x = 12,482.73 × 3,056.70
  4. Step 4: Simplify right side
    8,322.10x = 38,155,960.79
  5. Step 5: Solve for x
    x = 38,155,960.79/8,322.10
  6. Step 6: Final answer
    x = 4,584.90

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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.