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Finding the Fourth Proportional to 8,475.94, 12,687.13 and 7,584.33

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Solution

The fourth proportional to 8,475.94, 12,687.13 and 7,584.33 is: 11,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.94 : 12,687.13 = 7,584.33 : x
  2. Step 2: Convert to fraction form
    8,475.94/12,687.13 = 7,584.33/x
  3. Step 3: Cross multiply
    8,475.94x = 12,687.13 × 7,584.33
  4. Step 4: Simplify right side
    8,475.94x = 96,223,437.73
  5. Step 5: Solve for x
    x = 96,223,437.73/8,475.94
  6. Step 6: Final answer
    x = 11,352.54

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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.