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Finding the Fourth Proportional to 6,518.17, 8,992.72 and 4,281.26

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Solution

The fourth proportional to 6,518.17, 8,992.72 and 4,281.26 is: 5,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.17 : 8,992.72 = 4,281.26 : x
  2. Step 2: Convert to fraction form
    6,518.17/8,992.72 = 4,281.26/x
  3. Step 3: Cross multiply
    6,518.17x = 8,992.72 × 4,281.26
  4. Step 4: Simplify right side
    6,518.17x = 38,500,172.43
  5. Step 5: Solve for x
    x = 38,500,172.43/6,518.17
  6. Step 6: Final answer
    x = 5,906.59

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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.