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Finding the Fourth Proportional to 6,415.62, 8,850.36 and 4,996.74

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Solution

The fourth proportional to 6,415.62, 8,850.36 and 4,996.74 is: 6,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.62 : 8,850.36 = 4,996.74 : x
  2. Step 2: Convert to fraction form
    6,415.62/8,850.36 = 4,996.74/x
  3. Step 3: Cross multiply
    6,415.62x = 8,850.36 × 4,996.74
  4. Step 4: Simplify right side
    6,415.62x = 44,222,947.83
  5. Step 5: Solve for x
    x = 44,222,947.83/6,415.62
  6. Step 6: Final answer
    x = 6,893.01

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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.