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Finding the Fourth Proportional to 8,295.68, 12,406.40 and 7,376.96

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Solution

The fourth proportional to 8,295.68, 12,406.40 and 7,376.96 is: 11,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.68 : 12,406.40 = 7,376.96 : x
  2. Step 2: Convert to fraction form
    8,295.68/12,406.40 = 7,376.96/x
  3. Step 3: Cross multiply
    8,295.68x = 12,406.40 × 7,376.96
  4. Step 4: Simplify right side
    8,295.68x = 91,521,516.54
  5. Step 5: Solve for x
    x = 91,521,516.54/8,295.68
  6. Step 6: Final answer
    x = 11,032.43

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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.