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Finding the Fourth Proportional to 6,276.89, 8,662.11 and 3,482.39

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Solution

The fourth proportional to 6,276.89, 8,662.11 and 3,482.39 is: 4,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.89 : 8,662.11 = 3,482.39 : x
  2. Step 2: Convert to fraction form
    6,276.89/8,662.11 = 3,482.39/x
  3. Step 3: Cross multiply
    6,276.89x = 8,662.11 × 3,482.39
  4. Step 4: Simplify right side
    6,276.89x = 30,164,845.24
  5. Step 5: Solve for x
    x = 30,164,845.24/6,276.89
  6. Step 6: Final answer
    x = 4,805.70

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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.