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Finding the Fourth Proportional to 8,366.81, 12,548.21 and 2,442.15

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Solution

The fourth proportional to 8,366.81, 12,548.21 and 2,442.15 is: 3,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.81 : 12,548.21 = 2,442.15 : x
  2. Step 2: Convert to fraction form
    8,366.81/12,548.21 = 2,442.15/x
  3. Step 3: Cross multiply
    8,366.81x = 12,548.21 × 2,442.15
  4. Step 4: Simplify right side
    8,366.81x = 30,644,598.84
  5. Step 5: Solve for x
    x = 30,644,598.84/8,366.81
  6. Step 6: Final answer
    x = 3,662.64

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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.