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Finding the Fourth Proportional to 8,299.71, 12,442.98 and 4,137.48

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Solution

The fourth proportional to 8,299.71, 12,442.98 and 4,137.48 is: 6,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.71 : 12,442.98 = 4,137.48 : x
  2. Step 2: Convert to fraction form
    8,299.71/12,442.98 = 4,137.48/x
  3. Step 3: Cross multiply
    8,299.71x = 12,442.98 × 4,137.48
  4. Step 4: Simplify right side
    8,299.71x = 51,482,580.89
  5. Step 5: Solve for x
    x = 51,482,580.89/8,299.71
  6. Step 6: Final answer
    x = 6,202.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.