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Finding the Fourth Proportional to 6,248.70, 8,605.64 and 6,112.62

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Solution

The fourth proportional to 6,248.70, 8,605.64 and 6,112.62 is: 8,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.70 : 8,605.64 = 6,112.62 : x
  2. Step 2: Convert to fraction form
    6,248.70/8,605.64 = 6,112.62/x
  3. Step 3: Cross multiply
    6,248.70x = 8,605.64 × 6,112.62
  4. Step 4: Simplify right side
    6,248.70x = 52,603,007.18
  5. Step 5: Solve for x
    x = 52,603,007.18/6,248.70
  6. Step 6: Final answer
    x = 8,418.23

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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.