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Finding the Fourth Proportional to 6,179.47, 8,525.63 and 3,490.32

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Solution

The fourth proportional to 6,179.47, 8,525.63 and 3,490.32 is: 4,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.47 : 8,525.63 = 3,490.32 : x
  2. Step 2: Convert to fraction form
    6,179.47/8,525.63 = 3,490.32/x
  3. Step 3: Cross multiply
    6,179.47x = 8,525.63 × 3,490.32
  4. Step 4: Simplify right side
    6,179.47x = 29,757,124.80
  5. Step 5: Solve for x
    x = 29,757,124.80/6,179.47
  6. Step 6: Final answer
    x = 4,815.48

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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.