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Finding the Fourth Proportional to 6,518.62, 8,996.88 and 4,276.54

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Solution

The fourth proportional to 6,518.62, 8,996.88 and 4,276.54 is: 5,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.62 : 8,996.88 = 4,276.54 : x
  2. Step 2: Convert to fraction form
    6,518.62/8,996.88 = 4,276.54/x
  3. Step 3: Cross multiply
    6,518.62x = 8,996.88 × 4,276.54
  4. Step 4: Simplify right side
    6,518.62x = 38,475,517.20
  5. Step 5: Solve for x
    x = 38,475,517.20/6,518.62
  6. Step 6: Final answer
    x = 5,902.40

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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.