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Finding the Fourth Proportional to 6,118.72, 9,178.08 and 2,014.72

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Solution

The fourth proportional to 6,118.72, 9,178.08 and 2,014.72 is: 3,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.72 : 9,178.08 = 2,014.72 : x
  2. Step 2: Convert to fraction form
    6,118.72/9,178.08 = 2,014.72/x
  3. Step 3: Cross multiply
    6,118.72x = 9,178.08 × 2,014.72
  4. Step 4: Simplify right side
    6,118.72x = 18,491,261.34
  5. Step 5: Solve for x
    x = 18,491,261.34/6,118.72
  6. Step 6: Final answer
    x = 3,022.08

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Double scale
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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.