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Finding the Fourth Proportional to 8,463.18, 12,699.09 and 7,244.94

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Solution

The fourth proportional to 8,463.18, 12,699.09 and 7,244.94 is: 10,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.18 : 12,699.09 = 7,244.94 : x
  2. Step 2: Convert to fraction form
    8,463.18/12,699.09 = 7,244.94/x
  3. Step 3: Cross multiply
    8,463.18x = 12,699.09 × 7,244.94
  4. Step 4: Simplify right side
    8,463.18x = 92,004,145.10
  5. Step 5: Solve for x
    x = 92,004,145.10/8,463.18
  6. Step 6: Final answer
    x = 10,871.11

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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.