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Finding the Fourth Proportional to 6,458.56, 9,687.84 and 2,993.44

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Solution

The fourth proportional to 6,458.56, 9,687.84 and 2,993.44 is: 4,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.56 : 9,687.84 = 2,993.44 : x
  2. Step 2: Convert to fraction form
    6,458.56/9,687.84 = 2,993.44/x
  3. Step 3: Cross multiply
    6,458.56x = 9,687.84 × 2,993.44
  4. Step 4: Simplify right side
    6,458.56x = 28,999,967.77
  5. Step 5: Solve for x
    x = 28,999,967.77/6,458.56
  6. Step 6: Final answer
    x = 4,490.16

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Similar ratio
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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.