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Finding the Fourth Proportional to 6,317.58, 8,727.09 and 5,985.42

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Solution

The fourth proportional to 6,317.58, 8,727.09 and 5,985.42 is: 8,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.58 : 8,727.09 = 5,985.42 : x
  2. Step 2: Convert to fraction form
    6,317.58/8,727.09 = 5,985.42/x
  3. Step 3: Cross multiply
    6,317.58x = 8,727.09 × 5,985.42
  4. Step 4: Simplify right side
    6,317.58x = 52,235,299.03
  5. Step 5: Solve for x
    x = 52,235,299.03/6,317.58
  6. Step 6: Final answer
    x = 8,268.24

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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.