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Finding the Fourth Proportional to 8,296.68, 12,445.37 and 3,858.51

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Solution

The fourth proportional to 8,296.68, 12,445.37 and 3,858.51 is: 5,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.68 : 12,445.37 = 3,858.51 : x
  2. Step 2: Convert to fraction form
    8,296.68/12,445.37 = 3,858.51/x
  3. Step 3: Cross multiply
    8,296.68x = 12,445.37 × 3,858.51
  4. Step 4: Simplify right side
    8,296.68x = 48,020,584.60
  5. Step 5: Solve for x
    x = 48,020,584.60/8,296.68
  6. Step 6: Final answer
    x = 5,787.93

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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.