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Finding the Fourth Proportional to 7,014.08, 9,679.38 and 3,827.31

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Solution

The fourth proportional to 7,014.08, 9,679.38 and 3,827.31 is: 5,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.08 : 9,679.38 = 3,827.31 : x
  2. Step 2: Convert to fraction form
    7,014.08/9,679.38 = 3,827.31/x
  3. Step 3: Cross multiply
    7,014.08x = 9,679.38 × 3,827.31
  4. Step 4: Simplify right side
    7,014.08x = 37,045,987.87
  5. Step 5: Solve for x
    x = 37,045,987.87/7,014.08
  6. Step 6: Final answer
    x = 5,281.66

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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.