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Finding the Fourth Proportional to 8,482.05, 12,725.76 and 3,806.07

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Solution

The fourth proportional to 8,482.05, 12,725.76 and 3,806.07 is: 5,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.05 : 12,725.76 = 3,806.07 : x
  2. Step 2: Convert to fraction form
    8,482.05/12,725.76 = 3,806.07/x
  3. Step 3: Cross multiply
    8,482.05x = 12,725.76 × 3,806.07
  4. Step 4: Simplify right side
    8,482.05x = 48,435,133.36
  5. Step 5: Solve for x
    x = 48,435,133.36/8,482.05
  6. Step 6: Final answer
    x = 5,710.31

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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.