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Finding the Fourth Proportional to 5,886.60, 8,124.32 and 3,796.80

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Solution

The fourth proportional to 5,886.60, 8,124.32 and 3,796.80 is: 5,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.60 : 8,124.32 = 3,796.80 : x
  2. Step 2: Convert to fraction form
    5,886.60/8,124.32 = 3,796.80/x
  3. Step 3: Cross multiply
    5,886.60x = 8,124.32 × 3,796.80
  4. Step 4: Simplify right side
    5,886.60x = 30,846,418.18
  5. Step 5: Solve for x
    x = 30,846,418.18/5,886.60
  6. Step 6: Final answer
    x = 5,240.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.